81319616

素因数分解:

$2^6\times 7^2\times {\mathrm{25931}}^1$

素因数の和:25957

約数の個数: 42

約数和(自身を含む): 187721748

約数和(自身を除く): 106402132

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 196, 224, 392, 448, 784, 1568, 3136, 25931, 51862, 103724, 181517, 207448, 363034, 414896, 726068, 829792, 1270619, 1452136, 1659584, 2541238, 2904272, 5082476, 5808544, 10164952, 11617088, 20329904, 40659808, 81319616]

約数ペア:

[(1, 81319616), (2, 40659808), (4, 20329904), (7, 11617088), (8, 10164952), (14, 5808544), (16, 5082476), (28, 2904272), (32, 2541238), (49, 1659584), (56, 1452136), (64, 1270619), (98, 829792), (112, 726068), (196, 414896), (224, 363034), (392, 207448), (448, 181517), (784, 103724), (1568, 51862), (3136, 25931)]