66938228

素因数分解:

$2^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{39191}}^1$

素因数の和:39263

約数の個数: 24

約数和(自身を含む): 136074624

約数和(自身を除く): 69136396

約数列:

[1, 2, 4, 7, 14, 28, 61, 122, 244, 427, 854, 1708, 39191, 78382, 156764, 274337, 548674, 1097348, 2390651, 4781302, 9562604, 16734557, 33469114, 66938228]

約数ペア:

[(1, 66938228), (2, 33469114), (4, 16734557), (7, 9562604), (14, 4781302), (28, 2390651), (61, 1097348), (122, 548674), (244, 274337), (427, 156764), (854, 78382), (1708, 39191)]