420171365

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{20693}}^1$

素因数の和:20860

約数の個数: 16

約数和(自身を含む): 524468736

約数和(自身を除く): 104297371

約数列:

[1, 5, 31, 131, 155, 655, 4061, 20305, 20693, 103465, 641483, 2710783, 3207415, 13553915, 84034273, 420171365]

約数ペア:

[(1, 420171365), (5, 84034273), (31, 13553915), (131, 3207415), (155, 2710783), (655, 641483), (4061, 103465), (20305, 20693)]