31129878

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{399101}}^1$

素因数の和:399119

約数の個数: 16

約数和(自身を含む): 67049136

約数和(自身を除く): 35919258

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 399101, 798202, 1197303, 2394606, 5188313, 10376626, 15564939, 31129878]

約数ペア:

[(1, 31129878), (2, 15564939), (3, 10376626), (6, 5188313), (13, 2394606), (26, 1197303), (39, 798202), (78, 399101)]