1971293548

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{137}}^1$

素因数の和:264

約数の個数: 192

約数和(自身を含む): 4651637760

約数和(自身を除く): 2680344212

約数列:

[1, 2, 4, 7, 14, 17, 19, 28, 34, 37, 38, 43, 68, 74, 76, 86, 119, 133, 137, 148, 172, 238, 259, 266, 274, 301, 323, 476, 518, 532, 548, 602, 629, 646, 703, 731, 817, 959, 1036, 1204, 1258, 1292, 1406, 1462, 1591, 1634, 1918, 2261, 2329, 2516, 2603, 2812, 2924, 3182, 3268, 3836, 4403, 4522, 4658, 4921, 5069, 5117, 5206, 5719, 5891, 6364, 8806, 9044, 9316, 9842, 10138, 10234, 10412, 11137, 11438, 11782, 11951, 13889, 16303, 17612, 18221, 19684, 20276, 20468, 22274, 22876, 23564, 23902, 27047, 27778, 30229, 32606, 35483, 36442, 41237, 44251, 44548, 47804, 54094, 55556, 60458, 65212, 70966, 72884, 82474, 83657, 86173, 88502, 96311, 97223, 100147, 108188, 111929, 120916, 141932, 164948, 167314, 172346, 177004, 189329, 192622, 194446, 200294, 211603, 217967, 223858, 309757, 334628, 344692, 378658, 385244, 388892, 400588, 423206, 435934, 447716, 513893, 603211, 619514, 674177, 701029, 757316, 783503, 846412, 871868, 1027786, 1206422, 1239028, 1348354, 1402058, 1525769, 1567006, 1637287, 1902793, 2055572, 2412844, 2696708, 2804116, 3051538, 3134012, 3274574, 3597251, 3705439, 3805586, 4141373, 6103076, 6549148, 7194502, 7410878, 7611172, 8282746, 11461009, 13319551, 14389004, 14821756, 16565492, 22922018, 25938073, 26639102, 28989611, 45844036, 51876146, 53278204, 57979222, 70403341, 103752292, 115958444, 140806682, 281613364, 492823387, 985646774, 1971293548]

約数ペア:

[(1, 1971293548), (2, 985646774), (4, 492823387), (7, 281613364), (14, 140806682), (17, 115958444), (19, 103752292), (28, 70403341), (34, 57979222), (37, 53278204), (38, 51876146), (43, 45844036), (68, 28989611), (74, 26639102), (76, 25938073), (86, 22922018), (119, 16565492), (133, 14821756), (137, 14389004), (148, 13319551), (172, 11461009), (238, 8282746), (259, 7611172), (266, 7410878), (274, 7194502), (301, 6549148), (323, 6103076), (476, 4141373), (518, 3805586), (532, 3705439), (548, 3597251), (602, 3274574), (629, 3134012), (646, 3051538), (703, 2804116), (731, 2696708), (817, 2412844), (959, 2055572), (1036, 1902793), (1204, 1637287), (1258, 1567006), (1292, 1525769), (1406, 1402058), (1462, 1348354), (1591, 1239028), (1634, 1206422), (1918, 1027786), (2261, 871868), (2329, 846412), (2516, 783503), (2603, 757316), (2812, 701029), (2924, 674177), (3182, 619514), (3268, 603211), (3836, 513893), (4403, 447716), (4522, 435934), (4658, 423206), (4921, 400588), (5069, 388892), (5117, 385244), (5206, 378658), (5719, 344692), (5891, 334628), (6364, 309757), (8806, 223858), (9044, 217967), (9316, 211603), (9842, 200294), (10138, 194446), (10234, 192622), (10412, 189329), (11137, 177004), (11438, 172346), (11782, 167314), (11951, 164948), (13889, 141932), (16303, 120916), (17612, 111929), (18221, 108188), (19684, 100147), (20276, 97223), (20468, 96311), (22274, 88502), (22876, 86173), (23564, 83657), (23902, 82474), (27047, 72884), (27778, 70966), (30229, 65212), (32606, 60458), (35483, 55556), (36442, 54094), (41237, 47804), (44251, 44548)]