31290623

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{167}}^1$

素因数の和:287

約数の個数: 32

約数和(自身を含む): 40642560

約数和(自身を除く): 9351937

約数列:

[1, 7, 13, 29, 71, 91, 167, 203, 377, 497, 923, 1169, 2059, 2171, 2639, 4843, 6461, 11857, 14413, 15197, 26767, 33901, 62959, 82999, 154141, 187369, 343853, 440713, 1078987, 2406971, 4470089, 31290623]

約数ペア:

[(1, 31290623), (7, 4470089), (13, 2406971), (29, 1078987), (71, 440713), (91, 343853), (167, 187369), (203, 154141), (377, 82999), (497, 62959), (923, 33901), (1169, 26767), (2059, 15197), (2171, 14413), (2639, 11857), (4843, 6461)]