2542238

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{449}}^1$

素因数の和:619

約数の個数: 16

約数和(自身を含む): 4050000

約数和(自身を除く): 1507762

約数列:

[1, 2, 19, 38, 149, 298, 449, 898, 2831, 5662, 8531, 17062, 66901, 133802, 1271119, 2542238]

約数ペア:

[(1, 2542238), (2, 1271119), (19, 133802), (38, 66901), (149, 17062), (298, 8531), (449, 5662), (898, 2831)]