320815

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{307}}^1$

素因数の和:342

約数の個数: 16

約数和(自身を含む): 443520

約数和(自身を除く): 122705

約数列:

[1, 5, 11, 19, 55, 95, 209, 307, 1045, 1535, 3377, 5833, 16885, 29165, 64163, 320815]

約数ペア:

[(1, 320815), (5, 64163), (11, 29165), (19, 16885), (55, 5833), (95, 3377), (209, 1535), (307, 1045)]