2019697771

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{15233}}^1$

素因数の和:15331

約数の個数: 32

約数和(自身を含む): 2620735488

約数和(自身を除く): 601037717

約数列:

[1, 7, 13, 31, 47, 91, 217, 329, 403, 611, 1457, 2821, 4277, 10199, 15233, 18941, 106631, 132587, 198029, 472223, 715951, 1386203, 3305561, 5011657, 6138899, 9307363, 22194481, 42972293, 65151541, 155361367, 288528253, 2019697771]

約数ペア:

[(1, 2019697771), (7, 288528253), (13, 155361367), (31, 65151541), (47, 42972293), (91, 22194481), (217, 9307363), (329, 6138899), (403, 5011657), (611, 3305561), (1457, 1386203), (2821, 715951), (4277, 472223), (10199, 198029), (15233, 132587), (18941, 106631)]