28571436

素因数分解:

$2^2\times 3^2\times {\mathrm{43}}^1\times {\mathrm{18457}}^1$

素因数の和:18510

約数の個数: 36

約数和(自身を含む): 73905832

約数和(自身を除く): 45334396

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 43, 86, 129, 172, 258, 387, 516, 774, 1548, 18457, 36914, 55371, 73828, 110742, 166113, 221484, 332226, 664452, 793651, 1587302, 2380953, 3174604, 4761906, 7142859, 9523812, 14285718, 28571436]

約数ペア:

[(1, 28571436), (2, 14285718), (3, 9523812), (4, 7142859), (6, 4761906), (9, 3174604), (12, 2380953), (18, 1587302), (36, 793651), (43, 664452), (86, 332226), (129, 221484), (172, 166113), (258, 110742), (387, 73828), (516, 55371), (774, 36914), (1548, 18457)]