31981534

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{643}}^1\times {\mathrm{1913}}^1$

素因数の和:2571

約数の個数: 16

約数和(自身を含む): 51769872

約数和(自身を除く): 19788338

約数列:

[1, 2, 13, 26, 643, 1286, 1913, 3826, 8359, 16718, 24869, 49738, 1230059, 2460118, 15990767, 31981534]

約数ペア:

[(1, 31981534), (2, 15990767), (13, 2460118), (26, 1230059), (643, 49738), (1286, 24869), (1913, 16718), (3826, 8359)]