28451390

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{1429}}^1$

素因数の和:1628

約数の個数: 32

約数和(自身を含む): 56216160

約数和(自身を除く): 27764770

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 181, 362, 905, 1429, 1810, 1991, 2858, 3982, 7145, 9955, 14290, 15719, 19910, 31438, 78595, 157190, 258649, 517298, 1293245, 2586490, 2845139, 5690278, 14225695, 28451390]

約数ペア:

[(1, 28451390), (2, 14225695), (5, 5690278), (10, 2845139), (11, 2586490), (22, 1293245), (55, 517298), (110, 258649), (181, 157190), (362, 78595), (905, 31438), (1429, 19910), (1810, 15719), (1991, 14290), (2858, 9955), (3982, 7145)]