78816464

素因数分解:

$2^4\times {\mathrm{239}}^1\times {\mathrm{20611}}^1$

素因数の和:20858

約数の個数: 20

約数和(自身を含む): 153353280

約数和(自身を除く): 74536816

約数列:

[1, 2, 4, 8, 16, 239, 478, 956, 1912, 3824, 20611, 41222, 82444, 164888, 329776, 4926029, 9852058, 19704116, 39408232, 78816464]

約数ペア:

[(1, 78816464), (2, 39408232), (4, 19704116), (8, 9852058), (16, 4926029), (239, 329776), (478, 164888), (956, 82444), (1912, 41222), (3824, 20611)]