1990041488

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{7316329}}^1$

素因数の和:7316354

約数の個数: 20

約数和(自身を含む): 4082512140

約数和(自身を除く): 2092470652

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 7316329, 14632658, 29265316, 58530632, 117061264, 124377593, 248755186, 497510372, 995020744, 1990041488]

約数ペア:

[(1, 1990041488), (2, 995020744), (4, 497510372), (8, 248755186), (16, 124377593), (17, 117061264), (34, 58530632), (68, 29265316), (136, 14632658), (272, 7316329)]