138754928

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{667091}}^1$

素因数の和:667112

約数の個数: 20

約数和(自身を含む): 289517928

約数和(自身を除く): 150763000

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 667091, 1334182, 2668364, 5336728, 8672183, 10673456, 17344366, 34688732, 69377464, 138754928]

約数ペア:

[(1, 138754928), (2, 69377464), (4, 34688732), (8, 17344366), (13, 10673456), (16, 8672183), (26, 5336728), (52, 2668364), (104, 1334182), (208, 667091)]