12705406

素因数分解:

$2^1\times 7^3\times {\mathrm{18521}}^1$

素因数の和:18544

約数の個数: 16

約数和(自身を含む): 22226400

約数和(自身を除く): 9520994

約数列:

[1, 2, 7, 14, 49, 98, 343, 686, 18521, 37042, 129647, 259294, 907529, 1815058, 6352703, 12705406]

約数ペア:

[(1, 12705406), (2, 6352703), (7, 1815058), (14, 907529), (49, 259294), (98, 129647), (343, 37042), (686, 18521)]