286880065

素因数分解:

$5^1\times {\mathrm{239}}^1\times {\mathrm{431}}^1\times {\mathrm{557}}^1$

素因数の和:1232

約数の個数: 16

約数和(自身を含む): 347120640

約数和(自身を除く): 60240575

約数列:

[1, 5, 239, 431, 557, 1195, 2155, 2785, 103009, 133123, 240067, 515045, 665615, 1200335, 57376013, 286880065]

約数ペア:

[(1, 286880065), (5, 57376013), (239, 1200335), (431, 665615), (557, 515045), (1195, 240067), (2155, 133123), (2785, 103009)]