388127510

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{263}}^1\times {\mathrm{8681}}^1$

素因数の和:8968

約数の個数: 32

約数和(自身を含む): 742623552

約数和(自身を除く): 354496042

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 263, 526, 1315, 2630, 4471, 8681, 8942, 17362, 22355, 43405, 44710, 86810, 147577, 295154, 737885, 1475770, 2283103, 4566206, 11415515, 22831030, 38812751, 77625502, 194063755, 388127510]

約数ペア:

[(1, 388127510), (2, 194063755), (5, 77625502), (10, 38812751), (17, 22831030), (34, 11415515), (85, 4566206), (170, 2283103), (263, 1475770), (526, 737885), (1315, 295154), (2630, 147577), (4471, 86810), (8681, 44710), (8942, 43405), (17362, 22355)]