12917245

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{263}}^1$

素因数の和:345

約数の個数: 32

約数和(自身を含む): 18247680

約数和(自身を除く): 5330435

約数列:

[1, 5, 11, 19, 47, 55, 95, 209, 235, 263, 517, 893, 1045, 1315, 2585, 2893, 4465, 4997, 9823, 12361, 14465, 24985, 49115, 54967, 61805, 135971, 234859, 274835, 679855, 1174295, 2583449, 12917245]

約数ペア:

[(1, 12917245), (5, 2583449), (11, 1174295), (19, 679855), (47, 274835), (55, 234859), (95, 135971), (209, 61805), (235, 54967), (263, 49115), (517, 24985), (893, 14465), (1045, 12361), (1315, 9823), (2585, 4997), (2893, 4465)]