28149044

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{91393}}^1$

素因数の和:91415

約数の個数: 24

約数和(自身を含む): 61416768

約数和(自身を除く): 33267724

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 91393, 182786, 365572, 639751, 1005323, 1279502, 2010646, 2559004, 4021292, 7037261, 14074522, 28149044]

約数ペア:

[(1, 28149044), (2, 14074522), (4, 7037261), (7, 4021292), (11, 2559004), (14, 2010646), (22, 1279502), (28, 1005323), (44, 639751), (77, 365572), (154, 182786), (308, 91393)]