221957168

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{816019}}^1$

素因数の和:816044

約数の個数: 20

約数和(自身を含む): 455339160

約数和(自身を除く): 233381992

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 816019, 1632038, 3264076, 6528152, 13056304, 13872323, 27744646, 55489292, 110978584, 221957168]

約数ペア:

[(1, 221957168), (2, 110978584), (4, 55489292), (8, 27744646), (16, 13872323), (17, 13056304), (34, 6528152), (68, 3264076), (136, 1632038), (272, 816019)]