221003404

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{331}}^1\times {\mathrm{2351}}^1$

素因数の和:2757

約数の個数: 24

約数和(自身を含む): 393555456

約数和(自身を除く): 172552052

約数列:

[1, 2, 4, 71, 142, 284, 331, 662, 1324, 2351, 4702, 9404, 23501, 47002, 94004, 166921, 333842, 667684, 778181, 1556362, 3112724, 55250851, 110501702, 221003404]

約数ペア:

[(1, 221003404), (2, 110501702), (4, 55250851), (71, 3112724), (142, 1556362), (284, 778181), (331, 667684), (662, 333842), (1324, 166921), (2351, 94004), (4702, 47002), (9404, 23501)]