16908790288

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{641}}^1\times {\mathrm{4091}}^1$

素因数の和:4784

約数の個数: 80

約数和(自身を含む): 36484664832

約数和(自身を除く): 19575874544

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 62, 104, 124, 208, 248, 403, 496, 641, 806, 1282, 1612, 2564, 3224, 4091, 5128, 6448, 8182, 8333, 10256, 16364, 16666, 19871, 32728, 33332, 39742, 53183, 65456, 66664, 79484, 106366, 126821, 133328, 158968, 212732, 253642, 258323, 317936, 425464, 507284, 516646, 850928, 1014568, 1033292, 1648673, 2029136, 2066584, 2622331, 3297346, 4133168, 5244662, 6594692, 10489324, 13189384, 20978648, 26378768, 34090303, 41957296, 68180606, 81292261, 136361212, 162584522, 272722424, 325169044, 545444848, 650338088, 1056799393, 1300676176, 2113598786, 4227197572, 8454395144, 16908790288]

約数ペア:

[(1, 16908790288), (2, 8454395144), (4, 4227197572), (8, 2113598786), (13, 1300676176), (16, 1056799393), (26, 650338088), (31, 545444848), (52, 325169044), (62, 272722424), (104, 162584522), (124, 136361212), (208, 81292261), (248, 68180606), (403, 41957296), (496, 34090303), (641, 26378768), (806, 20978648), (1282, 13189384), (1612, 10489324), (2564, 6594692), (3224, 5244662), (4091, 4133168), (5128, 3297346), (6448, 2622331), (8182, 2066584), (8333, 2029136), (10256, 1648673), (16364, 1033292), (16666, 1014568), (19871, 850928), (32728, 516646), (33332, 507284), (39742, 425464), (53183, 317936), (65456, 258323), (66664, 253642), (79484, 212732), (106366, 158968), (126821, 133328)]