31183555

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{233}}^1$

素因数の和:351

約数の個数: 32

約数和(自身を含む): 42456960

約数和(自身を除く): 11273405

約数列:

[1, 5, 13, 29, 65, 71, 145, 233, 355, 377, 923, 1165, 1885, 2059, 3029, 4615, 6757, 10295, 15145, 16543, 26767, 33785, 82715, 87841, 133835, 215059, 439205, 479747, 1075295, 2398735, 6236711, 31183555]

約数ペア:

[(1, 31183555), (5, 6236711), (13, 2398735), (29, 1075295), (65, 479747), (71, 439205), (145, 215059), (233, 133835), (355, 87841), (377, 82715), (923, 33785), (1165, 26767), (1885, 16543), (2059, 15145), (3029, 10295), (4615, 6757)]