320428478

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{68791}}^1$

素因数の和:68947

約数の個数: 16

約数和(自身を含む): 512637984

約数和(自身を除く): 192209506

約数列:

[1, 2, 17, 34, 137, 274, 2329, 4658, 68791, 137582, 1169447, 2338894, 9424367, 18848734, 160214239, 320428478]

約数ペア:

[(1, 320428478), (2, 160214239), (17, 18848734), (34, 9424367), (137, 2338894), (274, 1169447), (2329, 137582), (4658, 68791)]