639164976

素因数分解:

$2^4\times 3^1\times {\mathrm{13315937}}^1$

素因数の和:13315948

約数の個数: 20

約数和(自身を含む): 1651176312

約数和(自身を除く): 1012011336

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 13315937, 26631874, 39947811, 53263748, 79895622, 106527496, 159791244, 213054992, 319582488, 639164976]

約数ペア:

[(1, 639164976), (2, 319582488), (3, 213054992), (4, 159791244), (6, 106527496), (8, 79895622), (12, 53263748), (16, 39947811), (24, 26631874), (48, 13315937)]