31313842

素因数分解:

$2^1\times 7^4\times {\mathrm{6521}}^1$

素因数の和:6551

約数の個数: 20

約数和(自身を含む): 54804366

約数和(自身を除く): 23490524

約数列:

[1, 2, 7, 14, 49, 98, 343, 686, 2401, 4802, 6521, 13042, 45647, 91294, 319529, 639058, 2236703, 4473406, 15656921, 31313842]

約数ペア:

[(1, 31313842), (2, 15656921), (7, 4473406), (14, 2236703), (49, 639058), (98, 319529), (343, 91294), (686, 45647), (2401, 13042), (4802, 6521)]