643427842

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{461}}^1\times {\mathrm{17021}}^1$

素因数の和:17525

約数の個数: 16

約数和(自身を含む): 990884664

約数和(自身を除く): 347456822

約数列:

[1, 2, 41, 82, 461, 922, 17021, 18901, 34042, 37802, 697861, 1395722, 7846681, 15693362, 321713921, 643427842]

約数ペア:

[(1, 643427842), (2, 321713921), (41, 15693362), (82, 7846681), (461, 1395722), (922, 697861), (17021, 37802), (18901, 34042)]