128935216

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{424129}}^1$

素因数の和:424156

約数の個数: 20

約数和(自身を含む): 262960600

約数和(自身を除く): 134025384

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 424129, 848258, 1696516, 3393032, 6786064, 8058451, 16116902, 32233804, 64467608, 128935216]

約数ペア:

[(1, 128935216), (2, 64467608), (4, 32233804), (8, 16116902), (16, 8058451), (19, 6786064), (38, 3393032), (76, 1696516), (152, 848258), (304, 424129)]