890702804

素因数分解:

$2^2\times {\mathrm{401}}^1\times {\mathrm{555301}}^1$

素因数の和:555706

約数の個数: 12

約数和(自身を含む): 1562619828

約数和(自身を除く): 671917024

約数列:

[1, 2, 4, 401, 802, 1604, 555301, 1110602, 2221204, 222675701, 445351402, 890702804]

約数ペア:

[(1, 890702804), (2, 445351402), (4, 222675701), (401, 2221204), (802, 1110602), (1604, 555301)]