239308888

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{328721}}^1$

素因数の和:328747

約数の個数: 32

約数和(自身を含む): 552252960

約数和(自身を除く): 312944072

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 364, 728, 328721, 657442, 1314884, 2301047, 2629768, 4273373, 4602094, 8546746, 9204188, 17093492, 18408376, 29913611, 34186984, 59827222, 119654444, 239308888]

約数ペア:

[(1, 239308888), (2, 119654444), (4, 59827222), (7, 34186984), (8, 29913611), (13, 18408376), (14, 17093492), (26, 9204188), (28, 8546746), (52, 4602094), (56, 4273373), (91, 2629768), (104, 2301047), (182, 1314884), (364, 657442), (728, 328721)]