4247984

素因数分解:

$2^4\times {\mathrm{13}}^2\times {\mathrm{1571}}^1$

素因数の和:1605

約数の個数: 30

約数和(自身を含む): 8917956

約数和(自身を除く): 4669972

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 169, 208, 338, 676, 1352, 1571, 2704, 3142, 6284, 12568, 20423, 25136, 40846, 81692, 163384, 265499, 326768, 530998, 1061996, 2123992, 4247984]

約数ペア:

[(1, 4247984), (2, 2123992), (4, 1061996), (8, 530998), (13, 326768), (16, 265499), (26, 163384), (52, 81692), (104, 40846), (169, 25136), (208, 20423), (338, 12568), (676, 6284), (1352, 3142), (1571, 2704)]