31876481

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{257}}^1$

素因数の和:353

約数の個数: 32

約数和(自身を含む): 41610240

約数和(自身を除く): 9733759

約数列:

[1, 7, 13, 29, 47, 91, 203, 257, 329, 377, 611, 1363, 1799, 2639, 3341, 4277, 7453, 9541, 12079, 17719, 23387, 52171, 84553, 96889, 124033, 157027, 350291, 678223, 1099189, 2452037, 4553783, 31876481]

約数ペア:

[(1, 31876481), (7, 4553783), (13, 2452037), (29, 1099189), (47, 678223), (91, 350291), (203, 157027), (257, 124033), (329, 96889), (377, 84553), (611, 52171), (1363, 23387), (1799, 17719), (2639, 12079), (3341, 9541), (4277, 7453)]