2109757985

素因数分解:

$5^1\times {\mathrm{139}}^1\times {\mathrm{1607}}^1\times {\mathrm{1889}}^1$

素因数の和:3640

約数の個数: 16

約数和(自身を含む): 2552860800

約数和(自身を除く): 443102815

約数列:

[1, 5, 139, 695, 1607, 1889, 8035, 9445, 223373, 262571, 1116865, 1312855, 3035623, 15178115, 421951597, 2109757985]

約数ペア:

[(1, 2109757985), (5, 421951597), (139, 15178115), (695, 3035623), (1607, 1312855), (1889, 1116865), (8035, 262571), (9445, 223373)]