66722210

素因数分解:

$2^1\times 5^1\times {\mathrm{313}}^1\times {\mathrm{21317}}^1$

素因数の和:21637

約数の個数: 16

約数和(自身を含む): 120489336

約数和(自身を除く): 53767126

約数列:

[1, 2, 5, 10, 313, 626, 1565, 3130, 21317, 42634, 106585, 213170, 6672221, 13344442, 33361105, 66722210]

約数ペア:

[(1, 66722210), (2, 33361105), (5, 13344442), (10, 6672221), (313, 213170), (626, 106585), (1565, 42634), (3130, 21317)]