213321602

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{20359}}^1$

素因数の和:20418

約数の個数: 24

約数和(自身を含む): 357684480

約数和(自身を除く): 144362878

約数列:

[1, 2, 13, 26, 31, 62, 169, 338, 403, 806, 5239, 10478, 20359, 40718, 264667, 529334, 631129, 1262258, 3440671, 6881342, 8204677, 16409354, 106660801, 213321602]

約数ペア:

[(1, 213321602), (2, 106660801), (13, 16409354), (26, 8204677), (31, 6881342), (62, 3440671), (169, 1262258), (338, 631129), (403, 529334), (806, 264667), (5239, 40718), (10478, 20359)]