28411630

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{218551}}^1$

素因数の和:218571

約数の個数: 16

約数和(自身を含む): 55075104

約数和(自身を除く): 26663474

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 218551, 437102, 1092755, 2185510, 2841163, 5682326, 14205815, 28411630]

約数ペア:

[(1, 28411630), (2, 14205815), (5, 5682326), (10, 2841163), (13, 2185510), (26, 1092755), (65, 437102), (130, 218551)]