128194404

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{821759}}^1$

素因数の和:821779

約数の個数: 24

約数和(自身を含む): 322129920

約数和(自身を除く): 193935516

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 821759, 1643518, 2465277, 3287036, 4930554, 9861108, 10682867, 21365734, 32048601, 42731468, 64097202, 128194404]

約数ペア:

[(1, 128194404), (2, 64097202), (3, 42731468), (4, 32048601), (6, 21365734), (12, 10682867), (13, 9861108), (26, 4930554), (39, 3287036), (52, 2465277), (78, 1643518), (156, 821759)]