231568884

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{163}}^1$

素因数の和:290

約数の個数: 144

約数和(自身を含む): 649492480

約数和(自身を除く): 417923596

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 31, 36, 38, 57, 62, 67, 76, 93, 114, 124, 134, 163, 171, 186, 201, 228, 268, 279, 326, 342, 372, 402, 489, 558, 589, 603, 652, 684, 804, 978, 1116, 1178, 1206, 1273, 1467, 1767, 1956, 2077, 2356, 2412, 2546, 2934, 3097, 3534, 3819, 4154, 5053, 5092, 5301, 5868, 6194, 6231, 7068, 7638, 8308, 9291, 10106, 10602, 10921, 11457, 12388, 12462, 15159, 15276, 18582, 18693, 20212, 21204, 21842, 22914, 24924, 27873, 30318, 32763, 37164, 37386, 39463, 43684, 45477, 45828, 55746, 60636, 65526, 74772, 78926, 90954, 96007, 98289, 111492, 118389, 131052, 157852, 181908, 192014, 196578, 207499, 236778, 288021, 338551, 355167, 384028, 393156, 414998, 473556, 576042, 622497, 677102, 710334, 829996, 864063, 1015653, 1152084, 1244994, 1354204, 1420668, 1728126, 1867491, 2031306, 2489988, 3046959, 3456252, 3734982, 4062612, 6093918, 6432469, 7469964, 12187836, 12864938, 19297407, 25729876, 38594814, 57892221, 77189628, 115784442, 231568884]

約数ペア:

[(1, 231568884), (2, 115784442), (3, 77189628), (4, 57892221), (6, 38594814), (9, 25729876), (12, 19297407), (18, 12864938), (19, 12187836), (31, 7469964), (36, 6432469), (38, 6093918), (57, 4062612), (62, 3734982), (67, 3456252), (76, 3046959), (93, 2489988), (114, 2031306), (124, 1867491), (134, 1728126), (163, 1420668), (171, 1354204), (186, 1244994), (201, 1152084), (228, 1015653), (268, 864063), (279, 829996), (326, 710334), (342, 677102), (372, 622497), (402, 576042), (489, 473556), (558, 414998), (589, 393156), (603, 384028), (652, 355167), (684, 338551), (804, 288021), (978, 236778), (1116, 207499), (1178, 196578), (1206, 192014), (1273, 181908), (1467, 157852), (1767, 131052), (1956, 118389), (2077, 111492), (2356, 98289), (2412, 96007), (2546, 90954), (2934, 78926), (3097, 74772), (3534, 65526), (3819, 60636), (4154, 55746), (5053, 45828), (5092, 45477), (5301, 43684), (5868, 39463), (6194, 37386), (6231, 37164), (7068, 32763), (7638, 30318), (8308, 27873), (9291, 24924), (10106, 22914), (10602, 21842), (10921, 21204), (11457, 20212), (12388, 18693), (12462, 18582), (15159, 15276)]