68780504

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{38903}}^1$

素因数の和:38939

約数の個数: 32

約数和(自身を含む): 147057120

約数和(自身を除く): 78276616

約数列:

[1, 2, 4, 8, 13, 17, 26, 34, 52, 68, 104, 136, 221, 442, 884, 1768, 38903, 77806, 155612, 311224, 505739, 661351, 1011478, 1322702, 2022956, 2645404, 4045912, 5290808, 8597563, 17195126, 34390252, 68780504]

約数ペア:

[(1, 68780504), (2, 34390252), (4, 17195126), (8, 8597563), (13, 5290808), (17, 4045912), (26, 2645404), (34, 2022956), (52, 1322702), (68, 1011478), (104, 661351), (136, 505739), (221, 311224), (442, 155612), (884, 77806), (1768, 38903)]