129721552

素因数分解:

$2^4\times {\mathrm{239}}^1\times {\mathrm{33923}}^1$

素因数の和:34170

約数の個数: 20

約数和(自身を含む): 252394560

約数和(自身を除く): 122673008

約数列:

[1, 2, 4, 8, 16, 239, 478, 956, 1912, 3824, 33923, 67846, 135692, 271384, 542768, 8107597, 16215194, 32430388, 64860776, 129721552]

約数ペア:

[(1, 129721552), (2, 64860776), (4, 32430388), (8, 16215194), (16, 8107597), (239, 542768), (478, 271384), (956, 135692), (1912, 67846), (3824, 33923)]