218456255

素因数分解:

$5^1\times {\mathrm{131}}^1\times {\mathrm{197}}^1\times {\mathrm{1693}}^1$

素因数の和:2026

約数の個数: 16

約数和(自身を含む): 265646304

約数和(自身を除く): 47190049

約数列:

[1, 5, 131, 197, 655, 985, 1693, 8465, 25807, 129035, 221783, 333521, 1108915, 1667605, 43691251, 218456255]

約数ペア:

[(1, 218456255), (5, 43691251), (131, 1667605), (197, 1108915), (655, 333521), (985, 221783), (1693, 129035), (8465, 25807)]