31178316

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{157}}^1$

素因数の和:263

約数の個数: 96

約数和(自身を含む): 84232960

約数和(自身を除く): 53054644

約数列:

[1, 2, 3, 4, 6, 12, 13, 19, 26, 38, 39, 52, 57, 67, 76, 78, 114, 134, 156, 157, 201, 228, 247, 268, 314, 402, 471, 494, 628, 741, 804, 871, 942, 988, 1273, 1482, 1742, 1884, 2041, 2546, 2613, 2964, 2983, 3484, 3819, 4082, 5092, 5226, 5966, 6123, 7638, 8164, 8949, 10452, 10519, 11932, 12246, 15276, 16549, 17898, 21038, 24492, 31557, 33098, 35796, 38779, 42076, 49647, 63114, 66196, 77558, 99294, 116337, 126228, 136747, 155116, 198588, 199861, 232674, 273494, 399722, 410241, 465348, 546988, 599583, 799444, 820482, 1199166, 1640964, 2398332, 2598193, 5196386, 7794579, 10392772, 15589158, 31178316]

約数ペア:

[(1, 31178316), (2, 15589158), (3, 10392772), (4, 7794579), (6, 5196386), (12, 2598193), (13, 2398332), (19, 1640964), (26, 1199166), (38, 820482), (39, 799444), (52, 599583), (57, 546988), (67, 465348), (76, 410241), (78, 399722), (114, 273494), (134, 232674), (156, 199861), (157, 198588), (201, 155116), (228, 136747), (247, 126228), (268, 116337), (314, 99294), (402, 77558), (471, 66196), (494, 63114), (628, 49647), (741, 42076), (804, 38779), (871, 35796), (942, 33098), (988, 31557), (1273, 24492), (1482, 21038), (1742, 17898), (1884, 16549), (2041, 15276), (2546, 12246), (2613, 11932), (2964, 10519), (2983, 10452), (3484, 8949), (3819, 8164), (4082, 7638), (5092, 6123), (5226, 5966)]