28618723

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{2351}}^1$

素因数の和:2442

約数の個数: 16

約数和(自身を含む): 34320384

約数和(自身を除く): 5701661

約数列:

[1, 7, 37, 47, 259, 329, 1739, 2351, 12173, 16457, 86987, 110497, 608909, 773479, 4088389, 28618723]

約数ペア:

[(1, 28618723), (7, 4088389), (37, 773479), (47, 608909), (259, 110497), (329, 86987), (1739, 16457), (2351, 12173)]