2001521605

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{399107}}^1$

素因数の和:399188

約数の個数: 16

約数和(自身を含む): 2586219840

約数和(自身を除く): 584698235

約数列:

[1, 5, 17, 59, 85, 295, 1003, 5015, 399107, 1995535, 6784819, 23547313, 33924095, 117736565, 400304321, 2001521605]

約数ペア:

[(1, 2001521605), (5, 400304321), (17, 117736565), (59, 33924095), (85, 23547313), (295, 6784819), (1003, 1995535), (5015, 399107)]