686802610

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2251}}^1\times {\mathrm{2347}}^1$

素因数の和:4618

約数の個数: 32

約数和(自身を含む): 1332499392

約数和(自身を除く): 645696782

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 2251, 2347, 4502, 4694, 11255, 11735, 22510, 23470, 29263, 30511, 58526, 61022, 146315, 152555, 292630, 305110, 5283097, 10566194, 26415485, 52830970, 68680261, 137360522, 343401305, 686802610]

約数ペア:

[(1, 686802610), (2, 343401305), (5, 137360522), (10, 68680261), (13, 52830970), (26, 26415485), (65, 10566194), (130, 5283097), (2251, 305110), (2347, 292630), (4502, 152555), (4694, 146315), (11255, 61022), (11735, 58526), (22510, 30511), (23470, 29263)]