172951285

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{281}}^1\times {\mathrm{557}}^1$

素因数の和:873

約数の個数: 32

約数和(自身を含む): 237922272

約数和(自身を除く): 64970987

約数列:

[1, 5, 13, 17, 65, 85, 221, 281, 557, 1105, 1405, 2785, 3653, 4777, 7241, 9469, 18265, 23885, 36205, 47345, 62101, 123097, 156517, 310505, 615485, 782585, 2034721, 2660789, 10173605, 13303945, 34590257, 172951285]

約数ペア:

[(1, 172951285), (5, 34590257), (13, 13303945), (17, 10173605), (65, 2660789), (85, 2034721), (221, 782585), (281, 615485), (557, 310505), (1105, 156517), (1405, 123097), (2785, 62101), (3653, 47345), (4777, 36205), (7241, 23885), (9469, 18265)]