261125872

素因数分解:

$2^4\times 7^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{1033}}^1$

素因数の和:1146

約数の個数: 80

約数和(自身を含む): 604153792

約数和(自身を除く): 343027920

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 37, 56, 61, 74, 112, 122, 148, 244, 259, 296, 427, 488, 518, 592, 854, 976, 1033, 1036, 1708, 2066, 2072, 2257, 3416, 4132, 4144, 4514, 6832, 7231, 8264, 9028, 14462, 15799, 16528, 18056, 28924, 31598, 36112, 38221, 57848, 63013, 63196, 76442, 115696, 126026, 126392, 152884, 252052, 252784, 267547, 305768, 441091, 504104, 535094, 611536, 882182, 1008208, 1070188, 1764364, 2140376, 2331481, 3528728, 4280752, 4662962, 7057456, 9325924, 16320367, 18651848, 32640734, 37303696, 65281468, 130562936, 261125872]

約数ペア:

[(1, 261125872), (2, 130562936), (4, 65281468), (7, 37303696), (8, 32640734), (14, 18651848), (16, 16320367), (28, 9325924), (37, 7057456), (56, 4662962), (61, 4280752), (74, 3528728), (112, 2331481), (122, 2140376), (148, 1764364), (244, 1070188), (259, 1008208), (296, 882182), (427, 611536), (488, 535094), (518, 504104), (592, 441091), (854, 305768), (976, 267547), (1033, 252784), (1036, 252052), (1708, 152884), (2066, 126392), (2072, 126026), (2257, 115696), (3416, 76442), (4132, 63196), (4144, 63013), (4514, 57848), (6832, 38221), (7231, 36112), (8264, 31598), (9028, 28924), (14462, 18056), (15799, 16528)]