1981355796

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{271}}^1\times {\mathrm{509}}^1$

素因数の和:819

約数の個数: 192

約数和(自身を含む): 6214656000

約数和(自身を除く): 4233300204

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 19, 21, 27, 28, 36, 38, 42, 54, 57, 63, 76, 84, 108, 114, 126, 133, 171, 189, 228, 252, 266, 271, 342, 378, 399, 509, 513, 532, 542, 684, 756, 798, 813, 1018, 1026, 1084, 1197, 1527, 1596, 1626, 1897, 2036, 2052, 2394, 2439, 3054, 3252, 3563, 3591, 3794, 4581, 4788, 4878, 5149, 5691, 6108, 7126, 7182, 7317, 7588, 9162, 9671, 9756, 10298, 10689, 11382, 13743, 14252, 14364, 14634, 15447, 17073, 18324, 19342, 20596, 21378, 22764, 27486, 29013, 29268, 30894, 32067, 34146, 36043, 38684, 42756, 46341, 51219, 54972, 58026, 61788, 64134, 67697, 68292, 72086, 87039, 92682, 96201, 102438, 108129, 116052, 128268, 135394, 137939, 139023, 144172, 174078, 185364, 192402, 203091, 204876, 216258, 261117, 270788, 275878, 278046, 324387, 348156, 384804, 406182, 413817, 432516, 522234, 551756, 556092, 609273, 648774, 812364, 827634, 965573, 973161, 1044468, 1218546, 1241451, 1297548, 1655268, 1827819, 1931146, 1946322, 2437092, 2482902, 2620841, 2896719, 3655638, 3724353, 3862292, 3892644, 4965804, 5241682, 5793438, 7311276, 7448706, 7862523, 8690157, 10483364, 11586876, 14897412, 15725046, 17380314, 18345887, 23587569, 26070471, 31450092, 34760628, 36691774, 47175138, 52140942, 55037661, 70762707, 73383548, 94350276, 104281884, 110075322, 141525414, 165112983, 220150644, 283050828, 330225966, 495338949, 660451932, 990677898, 1981355796]

約数ペア:

[(1, 1981355796), (2, 990677898), (3, 660451932), (4, 495338949), (6, 330225966), (7, 283050828), (9, 220150644), (12, 165112983), (14, 141525414), (18, 110075322), (19, 104281884), (21, 94350276), (27, 73383548), (28, 70762707), (36, 55037661), (38, 52140942), (42, 47175138), (54, 36691774), (57, 34760628), (63, 31450092), (76, 26070471), (84, 23587569), (108, 18345887), (114, 17380314), (126, 15725046), (133, 14897412), (171, 11586876), (189, 10483364), (228, 8690157), (252, 7862523), (266, 7448706), (271, 7311276), (342, 5793438), (378, 5241682), (399, 4965804), (509, 3892644), (513, 3862292), (532, 3724353), (542, 3655638), (684, 2896719), (756, 2620841), (798, 2482902), (813, 2437092), (1018, 1946322), (1026, 1931146), (1084, 1827819), (1197, 1655268), (1527, 1297548), (1596, 1241451), (1626, 1218546), (1897, 1044468), (2036, 973161), (2052, 965573), (2394, 827634), (2439, 812364), (3054, 648774), (3252, 609273), (3563, 556092), (3591, 551756), (3794, 522234), (4581, 432516), (4788, 413817), (4878, 406182), (5149, 384804), (5691, 348156), (6108, 324387), (7126, 278046), (7182, 275878), (7317, 270788), (7588, 261117), (9162, 216258), (9671, 204876), (9756, 203091), (10298, 192402), (10689, 185364), (11382, 174078), (13743, 144172), (14252, 139023), (14364, 137939), (14634, 135394), (15447, 128268), (17073, 116052), (18324, 108129), (19342, 102438), (20596, 96201), (21378, 92682), (22764, 87039), (27486, 72086), (29013, 68292), (29268, 67697), (30894, 64134), (32067, 61788), (34146, 58026), (36043, 54972), (38684, 51219), (42756, 46341)]