81939416

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{787879}}^1$

素因数の和:787898

約数の個数: 16

約数和(自身を含む): 165454800

約数和(自身を除く): 83515384

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 787879, 1575758, 3151516, 6303032, 10242427, 20484854, 40969708, 81939416]

約数ペア:

[(1, 81939416), (2, 40969708), (4, 20484854), (8, 10242427), (13, 6303032), (26, 3151516), (52, 1575758), (104, 787879)]