172392844

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{255019}}^1$

素因数の和:255049

約数の個数: 18

約数和(自身を含む): 326680620

約数和(自身を除く): 154287776

約数列:

[1, 2, 4, 13, 26, 52, 169, 338, 676, 255019, 510038, 1020076, 3315247, 6630494, 13260988, 43098211, 86196422, 172392844]

約数ペア:

[(1, 172392844), (2, 86196422), (4, 43098211), (13, 13260988), (26, 6630494), (52, 3315247), (169, 1020076), (338, 510038), (676, 255019)]