205085556

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^3\times {\mathrm{2593}}^1$

素因数の和:2642

約数の個数: 72

約数和(自身を含む): 561808520

約数和(自身を除く): 356722964

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 169, 234, 338, 468, 507, 676, 1014, 1521, 2028, 2197, 2593, 3042, 4394, 5186, 6084, 6591, 7779, 8788, 10372, 13182, 15558, 19773, 23337, 26364, 31116, 33709, 39546, 46674, 67418, 79092, 93348, 101127, 134836, 202254, 303381, 404508, 438217, 606762, 876434, 1213524, 1314651, 1752868, 2629302, 3943953, 5258604, 5696821, 7887906, 11393642, 15775812, 17090463, 22787284, 34180926, 51271389, 68361852, 102542778, 205085556]

約数ペア:

[(1, 205085556), (2, 102542778), (3, 68361852), (4, 51271389), (6, 34180926), (9, 22787284), (12, 17090463), (13, 15775812), (18, 11393642), (26, 7887906), (36, 5696821), (39, 5258604), (52, 3943953), (78, 2629302), (117, 1752868), (156, 1314651), (169, 1213524), (234, 876434), (338, 606762), (468, 438217), (507, 404508), (676, 303381), (1014, 202254), (1521, 134836), (2028, 101127), (2197, 93348), (2593, 79092), (3042, 67418), (4394, 46674), (5186, 39546), (6084, 33709), (6591, 31116), (7779, 26364), (8788, 23337), (10372, 19773), (13182, 15558)]