81068912

素因数分解:

$2^4\times {\mathrm{113}}^1\times {\mathrm{44839}}^1$

素因数の和:44960

約数の個数: 20

約数和(自身を含む): 158464560

約数和(自身を除く): 77395648

約数列:

[1, 2, 4, 8, 16, 113, 226, 452, 904, 1808, 44839, 89678, 179356, 358712, 717424, 5066807, 10133614, 20267228, 40534456, 81068912]

約数ペア:

[(1, 81068912), (2, 40534456), (4, 20267228), (8, 10133614), (16, 5066807), (113, 717424), (226, 358712), (452, 179356), (904, 89678), (1808, 44839)]