28319202

素因数分解:

$2^1\times 3^2\times {\mathrm{71}}^1\times {\mathrm{22159}}^1$

素因数の和:22238

約数の個数: 24

約数和(自身を含む): 62225280

約数和(自身を除く): 33906078

約数列:

[1, 2, 3, 6, 9, 18, 71, 142, 213, 426, 639, 1278, 22159, 44318, 66477, 132954, 199431, 398862, 1573289, 3146578, 4719867, 9439734, 14159601, 28319202]

約数ペア:

[(1, 28319202), (2, 14159601), (3, 9439734), (6, 4719867), (9, 3146578), (18, 1573289), (71, 398862), (142, 199431), (213, 132954), (426, 66477), (639, 44318), (1278, 22159)]