2480465

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1231}}^1$

素因数の和:1280

約数の個数: 16

約数和(自身を含む): 3311616

約数和(自身を除く): 831151

約数列:

[1, 5, 13, 31, 65, 155, 403, 1231, 2015, 6155, 16003, 38161, 80015, 190805, 496093, 2480465]

約数ペア:

[(1, 2480465), (5, 496093), (13, 190805), (31, 80015), (65, 38161), (155, 16003), (403, 6155), (1231, 2015)]