291213775

素因数分解:

$5^2\times {\mathrm{41}}^1\times {\mathrm{284111}}^1$

素因数の和:284162

約数の個数: 12

約数和(自身を含む): 369913824

約数和(自身を除く): 78700049

約数列:

[1, 5, 25, 41, 205, 1025, 284111, 1420555, 7102775, 11648551, 58242755, 291213775]

約数ペア:

[(1, 291213775), (5, 58242755), (25, 11648551), (41, 7102775), (205, 1420555), (1025, 284111)]