78438256

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{2713}}^1$

素因数の和:2873

約数の個数: 40

約数和(自身を含む): 164902640

約数和(自身を除く): 86464384

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 139, 208, 278, 556, 1112, 1807, 2224, 2713, 3614, 5426, 7228, 10852, 14456, 21704, 28912, 35269, 43408, 70538, 141076, 282152, 377107, 564304, 754214, 1508428, 3016856, 4902391, 6033712, 9804782, 19609564, 39219128, 78438256]

約数ペア:

[(1, 78438256), (2, 39219128), (4, 19609564), (8, 9804782), (13, 6033712), (16, 4902391), (26, 3016856), (52, 1508428), (104, 754214), (139, 564304), (208, 377107), (278, 282152), (556, 141076), (1112, 70538), (1807, 43408), (2224, 35269), (2713, 28912), (3614, 21704), (5426, 14456), (7228, 10852)]