25210913

素因数分解:

$7^1\times {\mathrm{13}}^2\times {\mathrm{101}}^1\times {\mathrm{211}}^1$

素因数の和:345

約数の個数: 24

約数和(自身を含む): 31657536

約数和(自身を除く): 6446623

約数列:

[1, 7, 13, 91, 101, 169, 211, 707, 1183, 1313, 1477, 2743, 9191, 17069, 19201, 21311, 35659, 119483, 149177, 249613, 277043, 1939301, 3601559, 25210913]

約数ペア:

[(1, 25210913), (7, 3601559), (13, 1939301), (91, 277043), (101, 249613), (169, 149177), (211, 119483), (707, 35659), (1183, 21311), (1313, 19201), (1477, 17069), (2743, 9191)]