81816476

素因数分解:

$2^2\times 7^5\times {\mathrm{1217}}^1$

素因数の和:1256

約数の個数: 36

約数和(自身を含む): 167177808

約数和(自身を除く): 85361332

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 343, 686, 1217, 1372, 2401, 2434, 4802, 4868, 8519, 9604, 16807, 17038, 33614, 34076, 59633, 67228, 119266, 238532, 417431, 834862, 1669724, 2922017, 5844034, 11688068, 20454119, 40908238, 81816476]

約数ペア:

[(1, 81816476), (2, 40908238), (4, 20454119), (7, 11688068), (14, 5844034), (28, 2922017), (49, 1669724), (98, 834862), (196, 417431), (343, 238532), (686, 119266), (1217, 67228), (1372, 59633), (2401, 34076), (2434, 33614), (4802, 17038), (4868, 16807), (8519, 9604)]