201563344

素因数分解:

$2^4\times {\mathrm{139}}^1\times {\mathrm{90631}}^1$

素因数の和:90778

約数の個数: 20

約数和(自身を含む): 393342880

約数和(自身を除く): 191779536

約数列:

[1, 2, 4, 8, 16, 139, 278, 556, 1112, 2224, 90631, 181262, 362524, 725048, 1450096, 12597709, 25195418, 50390836, 100781672, 201563344]

約数ペア:

[(1, 201563344), (2, 100781672), (4, 50390836), (8, 25195418), (16, 12597709), (139, 1450096), (278, 725048), (556, 362524), (1112, 181262), (2224, 90631)]