40394546

素因数分解:

$2^1\times {\mathrm{101}}^1\times {\mathrm{311}}^1\times {\mathrm{643}}^1$

素因数の和:1057

約数の個数: 16

約数和(自身を含む): 61483968

約数和(自身を除く): 21089422

約数列:

[1, 2, 101, 202, 311, 622, 643, 1286, 31411, 62822, 64943, 129886, 199973, 399946, 20197273, 40394546]

約数ペア:

[(1, 40394546), (2, 20197273), (101, 399946), (202, 199973), (311, 129886), (622, 64943), (643, 62822), (1286, 31411)]