403717808

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{79}}^2\times {\mathrm{311}}^1$

素因数の和:490

約数の個数: 60

約数和(自身を含む): 855913968

約数和(自身を除く): 452196160

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 79, 104, 158, 208, 311, 316, 622, 632, 1027, 1244, 1264, 2054, 2488, 4043, 4108, 4976, 6241, 8086, 8216, 12482, 16172, 16432, 24569, 24964, 32344, 49138, 49928, 64688, 81133, 98276, 99856, 162266, 196552, 319397, 324532, 393104, 638794, 649064, 1277588, 1298128, 1940951, 2555176, 3881902, 5110352, 7763804, 15527608, 25232363, 31055216, 50464726, 100929452, 201858904, 403717808]

約数ペア:

[(1, 403717808), (2, 201858904), (4, 100929452), (8, 50464726), (13, 31055216), (16, 25232363), (26, 15527608), (52, 7763804), (79, 5110352), (104, 3881902), (158, 2555176), (208, 1940951), (311, 1298128), (316, 1277588), (622, 649064), (632, 638794), (1027, 393104), (1244, 324532), (1264, 319397), (2054, 196552), (2488, 162266), (4043, 99856), (4108, 98276), (4976, 81133), (6241, 64688), (8086, 49928), (8216, 49138), (12482, 32344), (16172, 24964), (16432, 24569)]