201121490

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{648779}}^1$

素因数の和:648817

約数の個数: 16

約数和(自身を含む): 373697280

約数和(自身を除く): 172575790

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 648779, 1297558, 3243895, 6487790, 20112149, 40224298, 100560745, 201121490]

約数ペア:

[(1, 201121490), (2, 100560745), (5, 40224298), (10, 20112149), (31, 6487790), (62, 3243895), (155, 1297558), (310, 648779)]