279271486

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{37}}^1\times {\mathrm{137}}^1\times {\mathrm{163}}^1$

素因数の和:365

約数の個数: 48

約数和(自身を含む): 472148784

約数和(自身を除く): 192877298

約数列:

[1, 2, 13, 26, 37, 74, 137, 163, 169, 274, 326, 338, 481, 962, 1781, 2119, 3562, 4238, 5069, 6031, 6253, 10138, 12062, 12506, 22331, 23153, 27547, 44662, 46306, 55094, 65897, 78403, 131794, 156806, 290303, 580606, 826247, 856661, 1019239, 1652494, 1713322, 2038478, 3773939, 7547878, 10741211, 21482422, 139635743, 279271486]

約数ペア:

[(1, 279271486), (2, 139635743), (13, 21482422), (26, 10741211), (37, 7547878), (74, 3773939), (137, 2038478), (163, 1713322), (169, 1652494), (274, 1019239), (326, 856661), (338, 826247), (481, 580606), (962, 290303), (1781, 156806), (2119, 131794), (3562, 78403), (4238, 65897), (5069, 55094), (6031, 46306), (6253, 44662), (10138, 27547), (12062, 23153), (12506, 22331)]