690928

素因数分解:

$2^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{199}}^1$

素因数の和:245

約数の個数: 40

約数和(自身を含む): 1587200

約数和(自身を除く): 896272

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 56, 62, 112, 124, 199, 217, 248, 398, 434, 496, 796, 868, 1393, 1592, 1736, 2786, 3184, 3472, 5572, 6169, 11144, 12338, 22288, 24676, 43183, 49352, 86366, 98704, 172732, 345464, 690928]

約数ペア:

[(1, 690928), (2, 345464), (4, 172732), (7, 98704), (8, 86366), (14, 49352), (16, 43183), (28, 24676), (31, 22288), (56, 12338), (62, 11144), (112, 6169), (124, 5572), (199, 3472), (217, 3184), (248, 2786), (398, 1736), (434, 1592), (496, 1393), (796, 868)]