28953665

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{181}}^1$

素因数の和:329

約数の個数: 32

約数和(自身を含む): 39626496

約数和(自身を除く): 10672831

約数列:

[1, 5, 13, 23, 65, 107, 115, 181, 299, 535, 905, 1391, 1495, 2353, 2461, 4163, 6955, 11765, 12305, 19367, 20815, 31993, 54119, 96835, 159965, 251771, 270595, 445441, 1258855, 2227205, 5790733, 28953665]

約数ペア:

[(1, 28953665), (5, 5790733), (13, 2227205), (23, 1258855), (65, 445441), (107, 270595), (115, 251771), (181, 159965), (299, 96835), (535, 54119), (905, 31993), (1391, 20815), (1495, 19367), (2353, 12305), (2461, 11765), (4163, 6955)]