247796128

素因数分解:

$2^5\times {\mathrm{41}}^1\times {\mathrm{188869}}^1$

素因数の和:188920

約数の個数: 24

約数和(自身を含む): 499750020

約数和(自身を除く): 251953892

約数列:

[1, 2, 4, 8, 16, 32, 41, 82, 164, 328, 656, 1312, 188869, 377738, 755476, 1510952, 3021904, 6043808, 7743629, 15487258, 30974516, 61949032, 123898064, 247796128]

約数ペア:

[(1, 247796128), (2, 123898064), (4, 61949032), (8, 30974516), (16, 15487258), (32, 7743629), (41, 6043808), (82, 3021904), (164, 1510952), (328, 755476), (656, 377738), (1312, 188869)]