128840696

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{392807}}^1$

素因数の和:392854

約数の個数: 16

約数和(自身を含む): 247469040

約数和(自身を除く): 118628344

約数列:

[1, 2, 4, 8, 41, 82, 164, 328, 392807, 785614, 1571228, 3142456, 16105087, 32210174, 64420348, 128840696]

約数ペア:

[(1, 128840696), (2, 64420348), (4, 32210174), (8, 16105087), (41, 3142456), (82, 1571228), (164, 785614), (328, 392807)]