213779968

素因数分解:

$2^9\times {\mathrm{31}}^1\times {\mathrm{13469}}^1$

素因数の和:13518

約数の個数: 40

約数和(自身を含む): 440953920

約数和(自身を除く): 227173952

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 256, 496, 512, 992, 1984, 3968, 7936, 13469, 15872, 26938, 53876, 107752, 215504, 417539, 431008, 835078, 862016, 1670156, 1724032, 3340312, 3448064, 6680624, 6896128, 13361248, 26722496, 53444992, 106889984, 213779968]

約数ペア:

[(1, 213779968), (2, 106889984), (4, 53444992), (8, 26722496), (16, 13361248), (31, 6896128), (32, 6680624), (62, 3448064), (64, 3340312), (124, 1724032), (128, 1670156), (248, 862016), (256, 835078), (496, 431008), (512, 417539), (992, 215504), (1984, 107752), (3968, 53876), (7936, 26938), (13469, 15872)]