1238861605

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{81157}}^1$

素因数の和:81276

約数の個数: 16

約数和(自身を含む): 1542651264

約数和(自身を除く): 303789659

約数列:

[1, 5, 43, 71, 215, 355, 3053, 15265, 81157, 405785, 3489751, 5762147, 17448755, 28810735, 247772321, 1238861605]

約数ペア:

[(1, 1238861605), (5, 247772321), (43, 28810735), (71, 17448755), (215, 5762147), (355, 3489751), (3053, 405785), (15265, 81157)]