13191913

素因数分解:

$7^1\times {\mathrm{47}}^1\times {\mathrm{101}}^1\times {\mathrm{397}}^1$

素因数の和:552

約数の個数: 16

約数和(自身を含む): 15588864

約数和(自身を除く): 2396951

約数列:

[1, 7, 47, 101, 329, 397, 707, 2779, 4747, 18659, 33229, 40097, 130613, 280679, 1884559, 13191913]

約数ペア:

[(1, 13191913), (7, 1884559), (47, 280679), (101, 130613), (329, 40097), (397, 33229), (707, 18659), (2779, 4747)]