81312408

素因数分解:

$2^3\times 3^2\times {\mathrm{281}}^1\times {\mathrm{4019}}^1$

素因数の和:4312

約数の個数: 48

約数和(自身を含む): 221059800

約数和(自身を除く): 139747392

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 281, 562, 843, 1124, 1686, 2248, 2529, 3372, 4019, 5058, 6744, 8038, 10116, 12057, 16076, 20232, 24114, 32152, 36171, 48228, 72342, 96456, 144684, 289368, 1129339, 2258678, 3388017, 4517356, 6776034, 9034712, 10164051, 13552068, 20328102, 27104136, 40656204, 81312408]

約数ペア:

[(1, 81312408), (2, 40656204), (3, 27104136), (4, 20328102), (6, 13552068), (8, 10164051), (9, 9034712), (12, 6776034), (18, 4517356), (24, 3388017), (36, 2258678), (72, 1129339), (281, 289368), (562, 144684), (843, 96456), (1124, 72342), (1686, 48228), (2248, 36171), (2529, 32152), (3372, 24114), (4019, 20232), (5058, 16076), (6744, 12057), (8038, 10116)]