639774068

素因数分解:

$2^2\times {\mathrm{173}}^1\times {\mathrm{924529}}^1$

素因数の和:924706

約数の個数: 12

約数和(自身を含む): 1126077540

約数和(自身を除く): 486303472

約数列:

[1, 2, 4, 173, 346, 692, 924529, 1849058, 3698116, 159943517, 319887034, 639774068]

約数ペア:

[(1, 639774068), (2, 319887034), (4, 159943517), (173, 3698116), (346, 1849058), (692, 924529)]