81349864

素因数分解:

$2^3\times {\mathrm{157}}^1\times {\mathrm{239}}^1\times {\mathrm{271}}^1$

素因数の和:673

約数の個数: 32

約数和(自身を含む): 154713600

約数和(自身を除く): 73363736

約数列:

[1, 2, 4, 8, 157, 239, 271, 314, 478, 542, 628, 956, 1084, 1256, 1912, 2168, 37523, 42547, 64769, 75046, 85094, 129538, 150092, 170188, 259076, 300184, 340376, 518152, 10168733, 20337466, 40674932, 81349864]

約数ペア:

[(1, 81349864), (2, 40674932), (4, 20337466), (8, 10168733), (157, 518152), (239, 340376), (271, 300184), (314, 259076), (478, 170188), (542, 150092), (628, 129538), (956, 85094), (1084, 75046), (1256, 64769), (1912, 42547), (2168, 37523)]