39721456

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{151}}^1\times {\mathrm{401}}^1$

素因数の和:601

約数の個数: 40

約数和(自身を含む): 79557408

約数和(自身を除く): 39835952

約数列:

[1, 2, 4, 8, 16, 41, 82, 151, 164, 302, 328, 401, 604, 656, 802, 1208, 1604, 2416, 3208, 6191, 6416, 12382, 16441, 24764, 32882, 49528, 60551, 65764, 99056, 121102, 131528, 242204, 263056, 484408, 968816, 2482591, 4965182, 9930364, 19860728, 39721456]

約数ペア:

[(1, 39721456), (2, 19860728), (4, 9930364), (8, 4965182), (16, 2482591), (41, 968816), (82, 484408), (151, 263056), (164, 242204), (302, 131528), (328, 121102), (401, 99056), (604, 65764), (656, 60551), (802, 49528), (1208, 32882), (1604, 24764), (2416, 16441), (3208, 12382), (6191, 6416)]