257186778

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{68147}}^1$

素因数の和:68206

約数の個数: 32

約数和(自身を含む): 559358784

約数和(自身を除く): 302172006

約数列:

[1, 2, 3, 6, 17, 34, 37, 51, 74, 102, 111, 222, 629, 1258, 1887, 3774, 68147, 136294, 204441, 408882, 1158499, 2316998, 2521439, 3475497, 5042878, 6950994, 7564317, 15128634, 42864463, 85728926, 128593389, 257186778]

約数ペア:

[(1, 257186778), (2, 128593389), (3, 85728926), (6, 42864463), (17, 15128634), (34, 7564317), (37, 6950994), (51, 5042878), (74, 3475497), (102, 2521439), (111, 2316998), (222, 1158499), (629, 408882), (1258, 204441), (1887, 136294), (3774, 68147)]