261735188

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1\times {\mathrm{149}}^1$

素因数の和:297

約数の個数: 96

約数和(自身を含む): 563068800

約数和(自身を除く): 301333612

約数列:

[1, 2, 4, 11, 13, 22, 26, 37, 44, 52, 74, 83, 143, 148, 149, 166, 286, 298, 332, 407, 481, 572, 596, 814, 913, 962, 1079, 1628, 1639, 1826, 1924, 1937, 2158, 3071, 3278, 3652, 3874, 4316, 5291, 5513, 6142, 6556, 7748, 10582, 11026, 11869, 12284, 12367, 21164, 21307, 22052, 23738, 24734, 33781, 39923, 42614, 47476, 49468, 60643, 67562, 71669, 79846, 85228, 121286, 135124, 136037, 143338, 159692, 160771, 242572, 272074, 286676, 321542, 439153, 457579, 544148, 643084, 788359, 878306, 915158, 1576718, 1756612, 1768481, 1830316, 3153436, 3536962, 5033369, 5948527, 7073924, 10066738, 11897054, 20133476, 23794108, 65433797, 130867594, 261735188]

約数ペア:

[(1, 261735188), (2, 130867594), (4, 65433797), (11, 23794108), (13, 20133476), (22, 11897054), (26, 10066738), (37, 7073924), (44, 5948527), (52, 5033369), (74, 3536962), (83, 3153436), (143, 1830316), (148, 1768481), (149, 1756612), (166, 1576718), (286, 915158), (298, 878306), (332, 788359), (407, 643084), (481, 544148), (572, 457579), (596, 439153), (814, 321542), (913, 286676), (962, 272074), (1079, 242572), (1628, 160771), (1639, 159692), (1826, 143338), (1924, 136037), (1937, 135124), (2158, 121286), (3071, 85228), (3278, 79846), (3652, 71669), (3874, 67562), (4316, 60643), (5291, 49468), (5513, 47476), (6142, 42614), (6556, 39923), (7748, 33781), (10582, 24734), (11026, 23738), (11869, 22052), (12284, 21307), (12367, 21164)]