66076816

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{491}}^1\times {\mathrm{647}}^1$

素因数の和:1159

約数の個数: 40

約数和(自身を含む): 138366144

約数和(自身を除く): 72289328

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 491, 647, 982, 1294, 1964, 2588, 3928, 5176, 6383, 7856, 8411, 10352, 12766, 16822, 25532, 33644, 51064, 67288, 102128, 134576, 317677, 635354, 1270708, 2541416, 4129801, 5082832, 8259602, 16519204, 33038408, 66076816]

約数ペア:

[(1, 66076816), (2, 33038408), (4, 16519204), (8, 8259602), (13, 5082832), (16, 4129801), (26, 2541416), (52, 1270708), (104, 635354), (208, 317677), (491, 134576), (647, 102128), (982, 67288), (1294, 51064), (1964, 33644), (2588, 25532), (3928, 16822), (5176, 12766), (6383, 10352), (7856, 8411)]