28701608

素因数分解:

$2^3\times {\mathrm{13}}^3\times {\mathrm{23}}^1\times {\mathrm{71}}^1$

素因数の和:139

約数の個数: 64

約数和(自身を含む): 61689600

約数和(自身を除く): 32987992

約数列:

[1, 2, 4, 8, 13, 23, 26, 46, 52, 71, 92, 104, 142, 169, 184, 284, 299, 338, 568, 598, 676, 923, 1196, 1352, 1633, 1846, 2197, 2392, 3266, 3692, 3887, 4394, 6532, 7384, 7774, 8788, 11999, 13064, 15548, 17576, 21229, 23998, 31096, 42458, 47996, 50531, 84916, 95992, 101062, 155987, 169832, 202124, 275977, 311974, 404248, 551954, 623948, 1103908, 1247896, 2207816, 3587701, 7175402, 14350804, 28701608]

約数ペア:

[(1, 28701608), (2, 14350804), (4, 7175402), (8, 3587701), (13, 2207816), (23, 1247896), (26, 1103908), (46, 623948), (52, 551954), (71, 404248), (92, 311974), (104, 275977), (142, 202124), (169, 169832), (184, 155987), (284, 101062), (299, 95992), (338, 84916), (568, 50531), (598, 47996), (676, 42458), (923, 31096), (1196, 23998), (1352, 21229), (1633, 17576), (1846, 15548), (2197, 13064), (2392, 11999), (3266, 8788), (3692, 7774), (3887, 7384), (4394, 6532)]