320147556

素因数分解:

$2^2\times 3^1\times {\mathrm{43}}^1\times {\mathrm{620441}}^1$

素因数の和:620491

約数の個数: 24

約数和(自身を含む): 764384544

約数和(自身を除く): 444236988

約数列:

[1, 2, 3, 4, 6, 12, 43, 86, 129, 172, 258, 516, 620441, 1240882, 1861323, 2481764, 3722646, 7445292, 26678963, 53357926, 80036889, 106715852, 160073778, 320147556]

約数ペア:

[(1, 320147556), (2, 160073778), (3, 106715852), (4, 80036889), (6, 53357926), (12, 26678963), (43, 7445292), (86, 3722646), (129, 2481764), (172, 1861323), (258, 1240882), (516, 620441)]