1878591745

素因数分解:

$5^1\times {\mathrm{131}}^1\times {\mathrm{661}}^1\times {\mathrm{4339}}^1$

素因数の和:5136

約数の個数: 16

約数和(自身を含む): 2275479360

約数和(自身を除く): 396887615

約数列:

[1, 5, 131, 655, 661, 3305, 4339, 21695, 86591, 432955, 568409, 2842045, 2868079, 14340395, 375718349, 1878591745]

約数ペア:

[(1, 1878591745), (5, 375718349), (131, 14340395), (655, 2868079), (661, 2842045), (3305, 568409), (4339, 432955), (21695, 86591)]