12740258

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{251}}^1\times {\mathrm{619}}^1$

素因数の和:913

約数の個数: 16

約数和(自身を含む): 19686240

約数和(自身を除く): 6945982

約数列:

[1, 2, 41, 82, 251, 502, 619, 1238, 10291, 20582, 25379, 50758, 155369, 310738, 6370129, 12740258]

約数ペア:

[(1, 12740258), (2, 6370129), (41, 310738), (82, 155369), (251, 50758), (502, 25379), (619, 20582), (1238, 10291)]