26980445

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^2\times {\mathrm{113}}^1$

素因数の和:241

約数の個数: 24

約数和(自身を含む): 35249256

約数和(自身を除く): 8268811

約数列:

[1, 5, 17, 53, 85, 113, 265, 565, 901, 1921, 2809, 4505, 5989, 9605, 14045, 29945, 47753, 101813, 238765, 317417, 509065, 1587085, 5396089, 26980445]

約数ペア:

[(1, 26980445), (5, 5396089), (17, 1587085), (53, 509065), (85, 317417), (113, 238765), (265, 101813), (565, 47753), (901, 29945), (1921, 14045), (2809, 9605), (4505, 5989)]