1640278868

素因数分解:

$2^2\times {\mathrm{83}}^1\times {\mathrm{499}}^1\times {\mathrm{9901}}^1$

素因数の和:10487

約数の個数: 24

約数和(自身を含む): 2911188000

約数和(自身を除く): 1270909132

約数列:

[1, 2, 4, 83, 166, 332, 499, 998, 1996, 9901, 19802, 39604, 41417, 82834, 165668, 821783, 1643566, 3287132, 4940599, 9881198, 19762396, 410069717, 820139434, 1640278868]

約数ペア:

[(1, 1640278868), (2, 820139434), (4, 410069717), (83, 19762396), (166, 9881198), (332, 4940599), (499, 3287132), (998, 1643566), (1996, 821783), (9901, 165668), (19802, 82834), (39604, 41417)]