1287130

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{9901}}^1$

素因数の和:9921

約数の個数: 16

約数和(自身を含む): 2495304

約数和(自身を除く): 1208174

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 9901, 19802, 49505, 99010, 128713, 257426, 643565, 1287130]

約数ペア:

[(1, 1287130), (2, 643565), (5, 257426), (10, 128713), (13, 99010), (26, 49505), (65, 19802), (130, 9901)]