2560305

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{263}}^1$

素因数の和:341

約数の個数: 32

約数和(自身を含む): 4561920

約数和(自身を除く): 2001615

約数列:

[1, 3, 5, 11, 15, 33, 55, 59, 165, 177, 263, 295, 649, 789, 885, 1315, 1947, 2893, 3245, 3945, 8679, 9735, 14465, 15517, 43395, 46551, 77585, 170687, 232755, 512061, 853435, 2560305]

約数ペア:

[(1, 2560305), (3, 853435), (5, 512061), (11, 232755), (15, 170687), (33, 77585), (55, 46551), (59, 43395), (165, 15517), (177, 14465), (263, 9735), (295, 8679), (649, 3945), (789, 3245), (885, 2893), (1315, 1947)]