81078608

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{3643}}^1$

素因数の和:3771

約数の個数: 40

約数和(自身を含む): 170801568

約数和(自身を除く): 89722960

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 107, 208, 214, 428, 856, 1391, 1712, 2782, 3643, 5564, 7286, 11128, 14572, 22256, 29144, 47359, 58288, 94718, 189436, 378872, 389801, 757744, 779602, 1559204, 3118408, 5067413, 6236816, 10134826, 20269652, 40539304, 81078608]

約数ペア:

[(1, 81078608), (2, 40539304), (4, 20269652), (8, 10134826), (13, 6236816), (16, 5067413), (26, 3118408), (52, 1559204), (104, 779602), (107, 757744), (208, 389801), (214, 378872), (428, 189436), (856, 94718), (1391, 58288), (1712, 47359), (2782, 29144), (3643, 22256), (5564, 14572), (7286, 11128)]