31311085

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{379}}^1$

素因数の和:469

約数の個数: 32

約数和(自身を含む): 42900480

約数和(自身を除く): 11589395

約数列:

[1, 5, 13, 31, 41, 65, 155, 205, 379, 403, 533, 1271, 1895, 2015, 2665, 4927, 6355, 11749, 15539, 16523, 24635, 58745, 77695, 82615, 152737, 202007, 481709, 763685, 1010035, 2408545, 6262217, 31311085]

約数ペア:

[(1, 31311085), (5, 6262217), (13, 2408545), (31, 1010035), (41, 763685), (65, 481709), (155, 202007), (205, 152737), (379, 82615), (403, 77695), (533, 58745), (1271, 24635), (1895, 16523), (2015, 15539), (2665, 11749), (4927, 6355)]