1421342065

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1987891}}^1$

素因数の和:1987920

約数の個数: 16

約数和(自身を含む): 2003795136

約数和(自身を除く): 582453071

約数列:

[1, 5, 11, 13, 55, 65, 143, 715, 1987891, 9939455, 21866801, 25842583, 109334005, 129212915, 284268413, 1421342065]

約数ペア:

[(1, 1421342065), (5, 284268413), (11, 129212915), (13, 109334005), (55, 25842583), (65, 21866801), (143, 9939455), (715, 1987891)]