221321168

素因数分解:

$2^4\times {\mathrm{1609}}^1\times {\mathrm{8597}}^1$

素因数の和:10214

約数の個数: 20

約数和(自身を含む): 429126180

約数和(自身を除く): 207805012

約数列:

[1, 2, 4, 8, 16, 1609, 3218, 6436, 8597, 12872, 17194, 25744, 34388, 68776, 137552, 13832573, 27665146, 55330292, 110660584, 221321168]

約数ペア:

[(1, 221321168), (2, 110660584), (4, 55330292), (8, 27665146), (16, 13832573), (1609, 137552), (3218, 68776), (6436, 34388), (8597, 25744), (12872, 17194)]