161978546

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{449}}^1\times {\mathrm{2957}}^1$

素因数の和:3469

約数の個数: 16

約数和(自身を含む): 247584600

約数和(自身を除く): 85606054

約数列:

[1, 2, 61, 122, 449, 898, 2957, 5914, 27389, 54778, 180377, 360754, 1327693, 2655386, 80989273, 161978546]

約数ペア:

[(1, 161978546), (2, 80989273), (61, 2655386), (122, 1327693), (449, 360754), (898, 180377), (2957, 54778), (5914, 27389)]