42487913

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{43}}^1\times {\mathrm{263}}^1$

素因数の和:353

約数の個数: 24

約数和(自身を含む): 49925568

約数和(自身を除く): 7437655

約数列:

[1, 13, 17, 43, 221, 263, 289, 559, 731, 3419, 3757, 4471, 9503, 11309, 12427, 58123, 76007, 147017, 161551, 192253, 988091, 2499289, 3268301, 42487913]

約数ペア:

[(1, 42487913), (13, 3268301), (17, 2499289), (43, 988091), (221, 192253), (263, 161551), (289, 147017), (559, 76007), (731, 58123), (3419, 12427), (3757, 11309), (4471, 9503)]