66538888

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{14879}}^1$

素因数の和:14941

約数の個数: 32

約数和(自身を含む): 137491200

約数和(自身を除く): 70952312

約数列:

[1, 2, 4, 8, 13, 26, 43, 52, 86, 104, 172, 344, 559, 1118, 2236, 4472, 14879, 29758, 59516, 119032, 193427, 386854, 639797, 773708, 1279594, 1547416, 2559188, 5118376, 8317361, 16634722, 33269444, 66538888]

約数ペア:

[(1, 66538888), (2, 33269444), (4, 16634722), (8, 8317361), (13, 5118376), (26, 2559188), (43, 1547416), (52, 1279594), (86, 773708), (104, 639797), (172, 386854), (344, 193427), (559, 119032), (1118, 59516), (2236, 29758), (4472, 14879)]