142520581

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{641}}^1\times {\mathrm{1381}}^1$

素因数の和:2052

約数の個数: 16

約数和(自身を含む): 170350848

約数和(自身を除く): 27830267

約数列:

[1, 7, 23, 161, 641, 1381, 4487, 9667, 14743, 31763, 103201, 222341, 885221, 6196547, 20360083, 142520581]

約数ペア:

[(1, 142520581), (7, 20360083), (23, 6196547), (161, 885221), (641, 222341), (1381, 103201), (4487, 31763), (9667, 14743)]