495397

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{181}}^1$

素因数の和:228

約数の個数: 16

約数和(自身を含む): 628992

約数和(自身を除く): 133595

約数列:

[1, 7, 17, 23, 119, 161, 181, 391, 1267, 2737, 3077, 4163, 21539, 29141, 70771, 495397]

約数ペア:

[(1, 495397), (7, 70771), (17, 29141), (23, 21539), (119, 4163), (161, 3077), (181, 2737), (391, 1267)]