398379968

素因数分解:

$2^6\times 7^1\times {\mathrm{367}}^1\times {\mathrm{2423}}^1$

素因数の和:2809

約数の個数: 56

約数和(自身を含む): 906304512

約数和(自身を除く): 507924544

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 224, 367, 448, 734, 1468, 2423, 2569, 2936, 4846, 5138, 5872, 9692, 10276, 11744, 16961, 19384, 20552, 23488, 33922, 38768, 41104, 67844, 77536, 82208, 135688, 155072, 164416, 271376, 542752, 889241, 1085504, 1778482, 3556964, 6224687, 7113928, 12449374, 14227856, 24898748, 28455712, 49797496, 56911424, 99594992, 199189984, 398379968]

約数ペア:

[(1, 398379968), (2, 199189984), (4, 99594992), (7, 56911424), (8, 49797496), (14, 28455712), (16, 24898748), (28, 14227856), (32, 12449374), (56, 7113928), (64, 6224687), (112, 3556964), (224, 1778482), (367, 1085504), (448, 889241), (734, 542752), (1468, 271376), (2423, 164416), (2569, 155072), (2936, 135688), (4846, 82208), (5138, 77536), (5872, 67844), (9692, 41104), (10276, 38768), (11744, 33922), (16961, 23488), (19384, 20552)]