12840854

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{197}}^1$

素因数の和:344

約数の個数: 32

約数和(自身を含む): 21954240

約数和(自身を除く): 9113386

約数列:

[1, 2, 13, 23, 26, 46, 109, 197, 218, 299, 394, 598, 1417, 2507, 2561, 2834, 4531, 5014, 5122, 9062, 21473, 32591, 42946, 58903, 65182, 117806, 279149, 493879, 558298, 987758, 6420427, 12840854]

約数ペア:

[(1, 12840854), (2, 6420427), (13, 987758), (23, 558298), (26, 493879), (46, 279149), (109, 117806), (197, 65182), (218, 58903), (299, 42946), (394, 32591), (598, 21473), (1417, 9062), (2507, 5122), (2561, 5014), (2834, 4531)]