64640524

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{28909}}^1$

素因数の和:28969

約数の個数: 24

約数和(自身を含む): 124659920

約数和(自身を除く): 60019396

約数列:

[1, 2, 4, 13, 26, 43, 52, 86, 172, 559, 1118, 2236, 28909, 57818, 115636, 375817, 751634, 1243087, 1503268, 2486174, 4972348, 16160131, 32320262, 64640524]

約数ペア:

[(1, 64640524), (2, 32320262), (4, 16160131), (13, 4972348), (26, 2486174), (43, 1503268), (52, 1243087), (86, 751634), (172, 375817), (559, 115636), (1118, 57818), (2236, 28909)]