78182912

素因数分解:

$2^9\times {\mathrm{311}}^1\times {\mathrm{491}}^1$

素因数の和:820

約数の個数: 40

約数和(自身を含む): 157034592

約数和(自身を除く): 78851680

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 311, 491, 512, 622, 982, 1244, 1964, 2488, 3928, 4976, 7856, 9952, 15712, 19904, 31424, 39808, 62848, 79616, 125696, 152701, 159232, 251392, 305402, 610804, 1221608, 2443216, 4886432, 9772864, 19545728, 39091456, 78182912]

約数ペア:

[(1, 78182912), (2, 39091456), (4, 19545728), (8, 9772864), (16, 4886432), (32, 2443216), (64, 1221608), (128, 610804), (256, 305402), (311, 251392), (491, 159232), (512, 152701), (622, 125696), (982, 79616), (1244, 62848), (1964, 39808), (2488, 31424), (3928, 19904), (4976, 15712), (7856, 9952)]