31991656

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{113}}^1\times {\mathrm{823}}^1$

素因数の和:985

約数の個数: 32

約数和(自身を含む): 61997760

約数和(自身を除く): 30006104

約数列:

[1, 2, 4, 8, 43, 86, 113, 172, 226, 344, 452, 823, 904, 1646, 3292, 4859, 6584, 9718, 19436, 35389, 38872, 70778, 92999, 141556, 185998, 283112, 371996, 743992, 3998957, 7997914, 15995828, 31991656]

約数ペア:

[(1, 31991656), (2, 15995828), (4, 7997914), (8, 3998957), (43, 743992), (86, 371996), (113, 283112), (172, 185998), (226, 141556), (344, 92999), (452, 70778), (823, 38872), (904, 35389), (1646, 19436), (3292, 9718), (4859, 6584)]