218942672

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{1052609}}^1$

素因数の和:1052630

約数の個数: 20

約数和(自身を含む): 456832740

約数和(自身を除く): 237890068

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 1052609, 2105218, 4210436, 8420872, 13683917, 16841744, 27367834, 54735668, 109471336, 218942672]

約数ペア:

[(1, 218942672), (2, 109471336), (4, 54735668), (8, 27367834), (13, 16841744), (16, 13683917), (26, 8420872), (52, 4210436), (104, 2105218), (208, 1052609)]