256103498

素因数分解:

$2^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{42841}}^1$

素因数の和:42918

約数の個数: 24

約数和(自身を含む): 454210884

約数和(自身を除く): 198107386

約数列:

[1, 2, 7, 14, 49, 61, 98, 122, 427, 854, 2989, 5978, 42841, 85682, 299887, 599774, 2099209, 2613301, 4198418, 5226602, 18293107, 36586214, 128051749, 256103498]

約数ペア:

[(1, 256103498), (2, 128051749), (7, 36586214), (14, 18293107), (49, 5226602), (61, 4198418), (98, 2613301), (122, 2099209), (427, 599774), (854, 299887), (2989, 85682), (5978, 42841)]