65000065

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{9901}}^1$

素因数の和:10020

約数の個数: 16

約数和(自身を含む): 84840336

約数和(自身を除く): 19840271

約数列:

[1, 5, 13, 65, 101, 505, 1313, 6565, 9901, 49505, 128713, 643565, 1000001, 5000005, 13000013, 65000065]

約数ペア:

[(1, 65000065), (5, 13000013), (13, 5000005), (65, 1000001), (101, 643565), (505, 128713), (1313, 49505), (6565, 9901)]