131640784802

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{8681}}^1\times {\mathrm{399059}}^1$

素因数の和:407761

約数の個数: 16

約数和(自身を含む): 207878335200

約数和(自身を除く): 76237550398

約数列:

[1, 2, 19, 38, 8681, 17362, 164939, 329878, 399059, 798118, 7582121, 15164242, 3464231179, 6928462358, 65820392401, 131640784802]

約数ペア:

[(1, 131640784802), (2, 65820392401), (19, 6928462358), (38, 3464231179), (8681, 15164242), (17362, 7582121), (164939, 798118), (329878, 399059)]