208438308

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{257}}^1\times {\mathrm{1733}}^1$

素因数の和:2013

約数の個数: 72

約数和(自身を含む): 569951928

約数和(自身を除く): 361513620

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 257, 468, 514, 771, 1028, 1542, 1733, 2313, 3084, 3341, 3466, 4626, 5199, 6682, 6932, 9252, 10023, 10398, 13364, 15597, 20046, 20796, 22529, 30069, 31194, 40092, 45058, 60138, 62388, 67587, 90116, 120276, 135174, 202761, 270348, 405522, 445381, 811044, 890762, 1336143, 1781524, 2672286, 4008429, 5344572, 5789953, 8016858, 11579906, 16033716, 17369859, 23159812, 34739718, 52109577, 69479436, 104219154, 208438308]

約数ペア:

[(1, 208438308), (2, 104219154), (3, 69479436), (4, 52109577), (6, 34739718), (9, 23159812), (12, 17369859), (13, 16033716), (18, 11579906), (26, 8016858), (36, 5789953), (39, 5344572), (52, 4008429), (78, 2672286), (117, 1781524), (156, 1336143), (234, 890762), (257, 811044), (468, 445381), (514, 405522), (771, 270348), (1028, 202761), (1542, 135174), (1733, 120276), (2313, 90116), (3084, 67587), (3341, 62388), (3466, 60138), (4626, 45058), (5199, 40092), (6682, 31194), (6932, 30069), (9252, 22529), (10023, 20796), (10398, 20046), (13364, 15597)]