31739890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{2683}}^1$

素因数の和:2723

約数の個数: 48

約数和(自身を含む): 70728768

約数和(自身を除く): 38988878

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 169, 182, 338, 455, 845, 910, 1183, 1690, 2366, 2683, 5366, 5915, 11830, 13415, 18781, 26830, 34879, 37562, 69758, 93905, 174395, 187810, 244153, 348790, 453427, 488306, 906854, 1220765, 2267135, 2441530, 3173989, 4534270, 6347978, 15869945, 31739890]

約数ペア:

[(1, 31739890), (2, 15869945), (5, 6347978), (7, 4534270), (10, 3173989), (13, 2441530), (14, 2267135), (26, 1220765), (35, 906854), (65, 488306), (70, 453427), (91, 348790), (130, 244153), (169, 187810), (182, 174395), (338, 93905), (455, 69758), (845, 37562), (910, 34879), (1183, 26830), (1690, 18781), (2366, 13415), (2683, 11830), (5366, 5915)]