198705656

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{251}}^1\times {\mathrm{5821}}^1$

素因数の和:6095

約数の個数: 32

約数和(自身を含む): 396128880

約数和(自身を除く): 197423224

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 251, 502, 1004, 2008, 4267, 5821, 8534, 11642, 17068, 23284, 34136, 46568, 98957, 197914, 395828, 791656, 1461071, 2922142, 5844284, 11688568, 24838207, 49676414, 99352828, 198705656]

約数ペア:

[(1, 198705656), (2, 99352828), (4, 49676414), (8, 24838207), (17, 11688568), (34, 5844284), (68, 2922142), (136, 1461071), (251, 791656), (502, 395828), (1004, 197914), (2008, 98957), (4267, 46568), (5821, 34136), (8534, 23284), (11642, 17068)]