2128663615

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{761597}}^1$

素因数の和:761658

約数の個数: 16

約数和(自身を含む): 2814866208

約数和(自身を除く): 686202593

約数列:

[1, 5, 13, 43, 65, 215, 559, 2795, 761597, 3807985, 9900761, 32748671, 49503805, 163743355, 425732723, 2128663615]

約数ペア:

[(1, 2128663615), (5, 425732723), (13, 163743355), (43, 49503805), (65, 32748671), (215, 9900761), (559, 3807985), (2795, 761597)]