256543265

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{1459}}^1$

素因数の和:1637

約数の個数: 32

約数和(自身を含む): 353203200

約数和(自身を除く): 96659935

約数列:

[1, 5, 11, 23, 55, 115, 139, 253, 695, 1265, 1459, 1529, 3197, 7295, 7645, 15985, 16049, 33557, 35167, 80245, 167785, 175835, 202801, 369127, 1014005, 1845635, 2230811, 4664423, 11154055, 23322115, 51308653, 256543265]

約数ペア:

[(1, 256543265), (5, 51308653), (11, 23322115), (23, 11154055), (55, 4664423), (115, 2230811), (139, 1845635), (253, 1014005), (695, 369127), (1265, 202801), (1459, 175835), (1529, 167785), (3197, 80245), (7295, 35167), (7645, 33557), (15985, 16049)]