1640772016

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{7888327}}^1$

素因数の和:7888348

約数の個数: 20

約数和(自身を含む): 3423534352

約数和(自身を除く): 1782762336

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 7888327, 15776654, 31553308, 63106616, 102548251, 126213232, 205096502, 410193004, 820386008, 1640772016]

約数ペア:

[(1, 1640772016), (2, 820386008), (4, 410193004), (8, 205096502), (13, 126213232), (16, 102548251), (26, 63106616), (52, 31553308), (104, 15776654), (208, 7888327)]