405772016

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{1950827}}^1$

素因数の和:1950848

約数の個数: 20

約数和(自身を含む): 846659352

約数和(自身を除く): 440887336

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 1950827, 3901654, 7803308, 15606616, 25360751, 31213232, 50721502, 101443004, 202886008, 405772016]

約数ペア:

[(1, 405772016), (2, 202886008), (4, 101443004), (8, 50721502), (13, 31213232), (16, 25360751), (26, 15606616), (52, 7803308), (104, 3901654), (208, 1950827)]