53780015

素因数分解:

$5^1\times {\mathrm{71}}^1\times {\mathrm{197}}^1\times {\mathrm{769}}^1$

素因数の和:1042

約数の個数: 16

約数和(自身を含む): 65862720

約数和(自身を除く): 12082705

約数列:

[1, 5, 71, 197, 355, 769, 985, 3845, 13987, 54599, 69935, 151493, 272995, 757465, 10756003, 53780015]

約数ペア:

[(1, 53780015), (5, 10756003), (71, 757465), (197, 272995), (355, 151493), (769, 69935), (985, 54599), (3845, 13987)]