31781542

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{15473}}^1$

素因数の和:15567

約数の個数: 16

約数和(自身を含む): 51992640

約数和(自身を除く): 20211098

約数列:

[1, 2, 13, 26, 79, 158, 1027, 2054, 15473, 30946, 201149, 402298, 1222367, 2444734, 15890771, 31781542]

約数ペア:

[(1, 31781542), (2, 15890771), (13, 2444734), (26, 1222367), (79, 402298), (158, 201149), (1027, 30946), (2054, 15473)]