1290173906

素因数分解:

$2^1\times 7^1\times {\mathrm{419}}^1\times {\mathrm{219941}}^1$

素因数の和:220369

約数の個数: 16

約数和(自身を含む): 2217015360

約数和(自身を除く): 926841454

約数列:

[1, 2, 7, 14, 419, 838, 2933, 5866, 219941, 439882, 1539587, 3079174, 92155279, 184310558, 645086953, 1290173906]

約数ペア:

[(1, 1290173906), (2, 645086953), (7, 184310558), (14, 92155279), (419, 3079174), (838, 1539587), (2933, 439882), (5866, 219941)]