12490985

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{6199}}^1$

素因数の和:6248

約数の個数: 16

約数和(自身を含む): 16665600

約数和(自身を除く): 4174615

約数列:

[1, 5, 13, 31, 65, 155, 403, 2015, 6199, 30995, 80587, 192169, 402935, 960845, 2498197, 12490985]

約数ペア:

[(1, 12490985), (5, 2498197), (13, 960845), (31, 402935), (65, 192169), (155, 80587), (403, 30995), (2015, 6199)]