87880205

素因数分解:

$5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{42557}}^1$

素因数の和:42628

約数の個数: 16

約数和(自身を含む): 122567040

約数和(自身を除く): 34686835

約数列:

[1, 5, 7, 35, 59, 295, 413, 2065, 42557, 212785, 297899, 1489495, 2510863, 12554315, 17576041, 87880205]

約数ペア:

[(1, 87880205), (5, 17576041), (7, 12554315), (35, 2510863), (59, 1489495), (295, 297899), (413, 212785), (2065, 42557)]