31140395

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{449}}^1$

素因数の和:575

約数の個数: 32

約数和(自身を含む): 44452800

約数和(自身を除く): 13312405

約数列:

[1, 5, 11, 13, 55, 65, 97, 143, 449, 485, 715, 1067, 1261, 2245, 4939, 5335, 5837, 6305, 13871, 24695, 29185, 43553, 64207, 69355, 217765, 321035, 479083, 566189, 2395415, 2830945, 6228079, 31140395]

約数ペア:

[(1, 31140395), (5, 6228079), (11, 2830945), (13, 2395415), (55, 566189), (65, 479083), (97, 321035), (143, 217765), (449, 69355), (485, 64207), (715, 43553), (1067, 29185), (1261, 24695), (2245, 13871), (4939, 6305), (5335, 5837)]