40989874

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{4211}}^1$

素因数の和:4401

約数の個数: 16

約数和(自身を含む): 63887616

約数和(自身を除く): 22897742

約数列:

[1, 2, 31, 62, 157, 314, 4211, 4867, 8422, 9734, 130541, 261082, 661127, 1322254, 20494937, 40989874]

約数ペア:

[(1, 40989874), (2, 20494937), (31, 1322254), (62, 661127), (157, 261082), (314, 130541), (4211, 9734), (4867, 8422)]