68978672

素因数分解:

$2^4\times 7^3\times {\mathrm{12569}}^1$

素因数の和:12598

約数の個数: 40

約数和(自身を含む): 155868000

約数和(自身を除く): 86889328

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 196, 343, 392, 686, 784, 1372, 2744, 5488, 12569, 25138, 50276, 87983, 100552, 175966, 201104, 351932, 615881, 703864, 1231762, 1407728, 2463524, 4311167, 4927048, 8622334, 9854096, 17244668, 34489336, 68978672]

約数ペア:

[(1, 68978672), (2, 34489336), (4, 17244668), (7, 9854096), (8, 8622334), (14, 4927048), (16, 4311167), (28, 2463524), (49, 1407728), (56, 1231762), (98, 703864), (112, 615881), (196, 351932), (343, 201104), (392, 175966), (686, 100552), (784, 87983), (1372, 50276), (2744, 25138), (5488, 12569)]