668831436

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{204161}}^1$

素因数の和:204191

約数の個数: 72

約数和(自身を含む): 2080819104

約数和(自身を除く): 1411987668

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 28, 36, 39, 42, 52, 63, 78, 84, 91, 117, 126, 156, 182, 234, 252, 273, 364, 468, 546, 819, 1092, 1638, 3276, 204161, 408322, 612483, 816644, 1224966, 1429127, 1837449, 2449932, 2654093, 2858254, 3674898, 4287381, 5308186, 5716508, 7349796, 7962279, 8574762, 10616372, 12862143, 15924558, 17149524, 18578651, 23886837, 25724286, 31849116, 37157302, 47773674, 51448572, 55735953, 74314604, 95547348, 111471906, 167207859, 222943812, 334415718, 668831436]

約数ペア:

[(1, 668831436), (2, 334415718), (3, 222943812), (4, 167207859), (6, 111471906), (7, 95547348), (9, 74314604), (12, 55735953), (13, 51448572), (14, 47773674), (18, 37157302), (21, 31849116), (26, 25724286), (28, 23886837), (36, 18578651), (39, 17149524), (42, 15924558), (52, 12862143), (63, 10616372), (78, 8574762), (84, 7962279), (91, 7349796), (117, 5716508), (126, 5308186), (156, 4287381), (182, 3674898), (234, 2858254), (252, 2654093), (273, 2449932), (364, 1837449), (468, 1429127), (546, 1224966), (819, 816644), (1092, 612483), (1638, 408322), (3276, 204161)]