388557968

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{7187}}^1$

素因数の和:7335

約数の個数: 40

約数和(自身を含む): 784354560

約数和(自身を除く): 395796592

約数列:

[1, 2, 4, 8, 16, 31, 62, 109, 124, 218, 248, 436, 496, 872, 1744, 3379, 6758, 7187, 13516, 14374, 27032, 28748, 54064, 57496, 114992, 222797, 445594, 783383, 891188, 1566766, 1782376, 3133532, 3564752, 6267064, 12534128, 24284873, 48569746, 97139492, 194278984, 388557968]

約数ペア:

[(1, 388557968), (2, 194278984), (4, 97139492), (8, 48569746), (16, 24284873), (31, 12534128), (62, 6267064), (109, 3564752), (124, 3133532), (218, 1782376), (248, 1566766), (436, 891188), (496, 783383), (872, 445594), (1744, 222797), (3379, 114992), (6758, 57496), (7187, 54064), (13516, 28748), (14374, 27032)]