9780138008065

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{1977783217}}^1$

素因数の和:1977783288

約数の個数: 16

約数和(自身を含む): 12531234469248

約数和(自身を除く): 2751096461183

約数列:

[1, 5, 23, 43, 115, 215, 989, 4945, 1977783217, 9888916085, 45489013991, 85044678331, 227445069955, 425223391655, 1956027601613, 9780138008065]

約数ペア:

[(1, 9780138008065), (5, 1956027601613), (23, 425223391655), (43, 227445069955), (115, 85044678331), (215, 45489013991), (989, 9888916085), (4945, 1977783217)]