261392568

素因数分解:

$2^3\times 3^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{6263}}^1$

素因数の和:6356

約数の個数: 64

約数和(自身を含む): 685532160

約数和(自身を除く): 424139592

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 37, 47, 74, 94, 111, 141, 148, 188, 222, 282, 296, 376, 444, 564, 888, 1128, 1739, 3478, 5217, 6263, 6956, 10434, 12526, 13912, 18789, 20868, 25052, 37578, 41736, 50104, 75156, 150312, 231731, 294361, 463462, 588722, 695193, 883083, 926924, 1177444, 1390386, 1766166, 1853848, 2354888, 2780772, 3532332, 5561544, 7064664, 10891357, 21782714, 32674071, 43565428, 65348142, 87130856, 130696284, 261392568]

約数ペア:

[(1, 261392568), (2, 130696284), (3, 87130856), (4, 65348142), (6, 43565428), (8, 32674071), (12, 21782714), (24, 10891357), (37, 7064664), (47, 5561544), (74, 3532332), (94, 2780772), (111, 2354888), (141, 1853848), (148, 1766166), (188, 1390386), (222, 1177444), (282, 926924), (296, 883083), (376, 695193), (444, 588722), (564, 463462), (888, 294361), (1128, 231731), (1739, 150312), (3478, 75156), (5217, 50104), (6263, 41736), (6956, 37578), (10434, 25052), (12526, 20868), (13912, 18789)]