31781998

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{4637}}^1$

素因数の和:4811

約数の個数: 16

約数和(自身を含む): 50090400

約数和(自身を除く): 18308402

約数列:

[1, 2, 23, 46, 149, 298, 3427, 4637, 6854, 9274, 106651, 213302, 690913, 1381826, 15890999, 31781998]

約数ペア:

[(1, 31781998), (2, 15890999), (23, 1381826), (46, 690913), (149, 213302), (298, 106651), (3427, 9274), (4637, 6854)]