281477168

素因数分解:

$2^4\times 7^2\times {\mathrm{359027}}^1$

素因数の和:359049

約数の個数: 30

約数和(自身を含む): 634402476

約数和(自身を除く): 352925308

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 196, 392, 784, 359027, 718054, 1436108, 2513189, 2872216, 5026378, 5744432, 10052756, 17592323, 20105512, 35184646, 40211024, 70369292, 140738584, 281477168]

約数ペア:

[(1, 281477168), (2, 140738584), (4, 70369292), (7, 40211024), (8, 35184646), (14, 20105512), (16, 17592323), (28, 10052756), (49, 5744432), (56, 5026378), (98, 2872216), (112, 2513189), (196, 1436108), (392, 718054), (784, 359027)]