28359175

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{1229}}^1$

素因数の和:1323

約数の個数: 24

約数和(自身を含む): 38435040

約数和(自身を除く): 10075865

約数列:

[1, 5, 13, 25, 65, 71, 325, 355, 923, 1229, 1775, 4615, 6145, 15977, 23075, 30725, 79885, 87259, 399425, 436295, 1134367, 2181475, 5671835, 28359175]

約数ペア:

[(1, 28359175), (5, 5671835), (13, 2181475), (25, 1134367), (65, 436295), (71, 399425), (325, 87259), (355, 79885), (923, 30725), (1229, 23075), (1775, 15977), (4615, 6145)]