201257615

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{1249}}^1$

素因数の和:1371

約数の個数: 32

約数和(自身を含む): 271320000

約数和(自身を除く): 70062385

約数列:

[1, 5, 13, 37, 65, 67, 185, 335, 481, 871, 1249, 2405, 2479, 4355, 6245, 12395, 16237, 32227, 46213, 81185, 83683, 161135, 231065, 418415, 600769, 1087879, 3003845, 3096271, 5439395, 15481355, 40251523, 201257615]

約数ペア:

[(1, 201257615), (5, 40251523), (13, 15481355), (37, 5439395), (65, 3096271), (67, 3003845), (185, 1087879), (335, 600769), (481, 418415), (871, 231065), (1249, 161135), (2405, 83683), (2479, 81185), (4355, 46213), (6245, 32227), (12395, 16237)]