16215265

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{263}}^1$

素因数の和:357

約数の個数: 32

約数和(自身を含む): 22809600

約数和(自身を除く): 6594335

約数列:

[1, 5, 11, 19, 55, 59, 95, 209, 263, 295, 649, 1045, 1121, 1315, 2893, 3245, 4997, 5605, 12331, 14465, 15517, 24985, 54967, 61655, 77585, 170687, 274835, 294823, 853435, 1474115, 3243053, 16215265]

約数ペア:

[(1, 16215265), (5, 3243053), (11, 1474115), (19, 853435), (55, 294823), (59, 274835), (95, 170687), (209, 77585), (263, 61655), (295, 54967), (649, 24985), (1045, 15517), (1121, 14465), (1315, 12331), (2893, 5605), (3245, 4997)]