31891447

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{2087}}^1$

素因数の和:2190

約数の個数: 16

約数和(自身を含む): 38085120

約数和(自身を除く): 6193673

約数列:

[1, 7, 37, 59, 259, 413, 2087, 2183, 14609, 15281, 77219, 123133, 540533, 861931, 4555921, 31891447]

約数ペア:

[(1, 31891447), (7, 4555921), (37, 861931), (59, 540533), (259, 123133), (413, 77219), (2087, 15281), (2183, 14609)]