31381318

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1\times {\mathrm{3511}}^1$

素因数の和:3663

約数の個数: 16

約数和(自身を含む): 48676320

約数和(自身を除く): 17295002

約数列:

[1, 2, 41, 82, 109, 218, 3511, 4469, 7022, 8938, 143951, 287902, 382699, 765398, 15690659, 31381318]

約数ペア:

[(1, 31381318), (2, 15690659), (41, 765398), (82, 382699), (109, 287902), (218, 143951), (3511, 8938), (4469, 7022)]