51398123

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{211}}^1$

素因数の和:347

約数の個数: 32

約数和(自身を含む): 65940480

約数和(自身を除く): 14542357

約数列:

[1, 7, 17, 23, 89, 119, 161, 211, 391, 623, 1477, 1513, 2047, 2737, 3587, 4853, 10591, 14329, 18779, 25109, 33971, 34799, 82501, 131453, 243593, 319243, 431917, 577507, 2234701, 3023419, 7342589, 51398123]

約数ペア:

[(1, 51398123), (7, 7342589), (17, 3023419), (23, 2234701), (89, 577507), (119, 431917), (161, 319243), (211, 243593), (391, 131453), (623, 82501), (1477, 34799), (1513, 33971), (2047, 25109), (2737, 18779), (3587, 14329), (4853, 10591)]