664676688

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{971}}^1\times {\mathrm{1097}}^1$

素因数の和:2092

約数の個数: 80

約数和(自身を含む): 1852756416

約数和(自身を除く): 1188079728

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 208, 312, 624, 971, 1097, 1942, 2194, 2913, 3291, 3884, 4388, 5826, 6582, 7768, 8776, 11652, 12623, 13164, 14261, 15536, 17552, 23304, 25246, 26328, 28522, 37869, 42783, 46608, 50492, 52656, 57044, 75738, 85566, 100984, 114088, 151476, 171132, 201968, 228176, 302952, 342264, 605904, 684528, 1065187, 2130374, 3195561, 4260748, 6391122, 8521496, 12782244, 13847431, 17042992, 25564488, 27694862, 41542293, 51128976, 55389724, 83084586, 110779448, 166169172, 221558896, 332338344, 664676688]

約数ペア:

[(1, 664676688), (2, 332338344), (3, 221558896), (4, 166169172), (6, 110779448), (8, 83084586), (12, 55389724), (13, 51128976), (16, 41542293), (24, 27694862), (26, 25564488), (39, 17042992), (48, 13847431), (52, 12782244), (78, 8521496), (104, 6391122), (156, 4260748), (208, 3195561), (312, 2130374), (624, 1065187), (971, 684528), (1097, 605904), (1942, 342264), (2194, 302952), (2913, 228176), (3291, 201968), (3884, 171132), (4388, 151476), (5826, 114088), (6582, 100984), (7768, 85566), (8776, 75738), (11652, 57044), (12623, 52656), (13164, 50492), (14261, 46608), (15536, 42783), (17552, 37869), (23304, 28522), (25246, 26328)]