651004016

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{3129827}}^1$

素因数の和:3129848

約数の個数: 20

約数和(自身を含む): 1358345352

約数和(自身を除く): 707341336

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 3129827, 6259654, 12519308, 25038616, 40687751, 50077232, 81375502, 162751004, 325502008, 651004016]

約数ペア:

[(1, 651004016), (2, 325502008), (4, 162751004), (8, 81375502), (13, 50077232), (16, 40687751), (26, 25038616), (52, 12519308), (104, 6259654), (208, 3129827)]