642128255

素因数分解:

$5^1\times {\mathrm{83}}^1\times {\mathrm{151}}^1\times {\mathrm{10247}}^1$

素因数の和:10486

約数の個数: 16

約数和(自身を含む): 785078784

約数和(自身を除く): 142950529

約数列:

[1, 5, 83, 151, 415, 755, 10247, 12533, 51235, 62665, 850501, 1547297, 4252505, 7736485, 128425651, 642128255]

約数ペア:

[(1, 642128255), (5, 128425651), (83, 7736485), (151, 4252505), (415, 1547297), (755, 850501), (10247, 62665), (12533, 51235)]