221551776

素因数分解:

$2^5\times 3^2\times {\mathrm{821}}^1\times {\mathrm{937}}^1$

素因数の和:1774

約数の個数: 72

約数和(自身を含む): 631478484

約数和(自身を除く): 409926708

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 288, 821, 937, 1642, 1874, 2463, 2811, 3284, 3748, 4926, 5622, 6568, 7389, 7496, 8433, 9852, 11244, 13136, 14778, 14992, 16866, 19704, 22488, 26272, 29556, 29984, 33732, 39408, 44976, 59112, 67464, 78816, 89952, 118224, 134928, 236448, 269856, 769277, 1538554, 2307831, 3077108, 4615662, 6154216, 6923493, 9231324, 12308432, 13846986, 18462648, 24616864, 27693972, 36925296, 55387944, 73850592, 110775888, 221551776]

約数ペア:

[(1, 221551776), (2, 110775888), (3, 73850592), (4, 55387944), (6, 36925296), (8, 27693972), (9, 24616864), (12, 18462648), (16, 13846986), (18, 12308432), (24, 9231324), (32, 6923493), (36, 6154216), (48, 4615662), (72, 3077108), (96, 2307831), (144, 1538554), (288, 769277), (821, 269856), (937, 236448), (1642, 134928), (1874, 118224), (2463, 89952), (2811, 78816), (3284, 67464), (3748, 59112), (4926, 44976), (5622, 39408), (6568, 33732), (7389, 29984), (7496, 29556), (8433, 26272), (9852, 22488), (11244, 19704), (13136, 16866), (14778, 14992)]