28681712

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{29387}}^1$

素因数の和:29456

約数の個数: 20

約数和(自身を含む): 56483736

約数和(自身を除く): 27802024

約数列:

[1, 2, 4, 8, 16, 61, 122, 244, 488, 976, 29387, 58774, 117548, 235096, 470192, 1792607, 3585214, 7170428, 14340856, 28681712]

約数ペア:

[(1, 28681712), (2, 14340856), (4, 7170428), (8, 3585214), (16, 1792607), (61, 470192), (122, 235096), (244, 117548), (488, 58774), (976, 29387)]