16991936

素因数分解:

$2^6\times {\mathrm{13}}^2\times {\mathrm{1571}}^1$

素因数の和:1609

約数の個数: 42

約数和(自身を含む): 36534852

約数和(自身を除く): 19542916

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 169, 208, 338, 416, 676, 832, 1352, 1571, 2704, 3142, 5408, 6284, 10816, 12568, 20423, 25136, 40846, 50272, 81692, 100544, 163384, 265499, 326768, 530998, 653536, 1061996, 1307072, 2123992, 4247984, 8495968, 16991936]

約数ペア:

[(1, 16991936), (2, 8495968), (4, 4247984), (8, 2123992), (13, 1307072), (16, 1061996), (26, 653536), (32, 530998), (52, 326768), (64, 265499), (104, 163384), (169, 100544), (208, 81692), (338, 50272), (416, 40846), (676, 25136), (832, 20423), (1352, 12568), (1571, 10816), (2704, 6284), (3142, 5408)]