28801615

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{1229}}^1$

素因数の和:1386

約数の個数: 16

約数和(自身を含む): 35719200

約数和(自身を除く): 6917585

約数列:

[1, 5, 43, 109, 215, 545, 1229, 4687, 6145, 23435, 52847, 133961, 264235, 669805, 5760323, 28801615]

約数ペア:

[(1, 28801615), (5, 5760323), (43, 669805), (109, 264235), (215, 133961), (545, 52847), (1229, 23435), (4687, 6145)]