81963376

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{465701}}^1$

素因数の和:465720

約数の個数: 20

約数和(自身を含む): 173241144

約数和(自身を除く): 91277768

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 465701, 931402, 1862804, 3725608, 5122711, 7451216, 10245422, 20490844, 40981688, 81963376]

約数ペア:

[(1, 81963376), (2, 40981688), (4, 20490844), (8, 10245422), (11, 7451216), (16, 5122711), (22, 3725608), (44, 1862804), (88, 931402), (176, 465701)]