71291530

素因数分解:

$2^1\times 5^1\times {\mathrm{251}}^1\times {\mathrm{28403}}^1$

素因数の和:28661

約数の個数: 16

約数和(自身を含む): 128840544

約数和(自身を除く): 57549014

約数列:

[1, 2, 5, 10, 251, 502, 1255, 2510, 28403, 56806, 142015, 284030, 7129153, 14258306, 35645765, 71291530]

約数ペア:

[(1, 71291530), (2, 35645765), (5, 14258306), (10, 7129153), (251, 284030), (502, 142015), (1255, 56806), (2510, 28403)]