1974998590

素因数分解:

$2^1\times 5^1\times {\mathrm{127}}^1\times {\mathrm{1555117}}^1$

素因数の和:1555251

約数の個数: 16

約数和(自身を含む): 3582991872

約数和(自身を除く): 1607993282

約数列:

[1, 2, 5, 10, 127, 254, 635, 1270, 1555117, 3110234, 7775585, 15551170, 197499859, 394999718, 987499295, 1974998590]

約数ペア:

[(1, 1974998590), (2, 987499295), (5, 394999718), (10, 197499859), (127, 15551170), (254, 7775585), (635, 3110234), (1270, 1555117)]