1639791386

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{1427}}^1\times {\mathrm{9419}}^1$

素因数の和:10909

約数の個数: 16

約数和(自身を含む): 2502027360

約数和(自身を除く): 862235974

約数列:

[1, 2, 61, 122, 1427, 2854, 9419, 18838, 87047, 174094, 574559, 1149118, 13440913, 26881826, 819895693, 1639791386]

約数ペア:

[(1, 1639791386), (2, 819895693), (61, 26881826), (122, 13440913), (1427, 1149118), (2854, 574559), (9419, 174094), (18838, 87047)]