257966194

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{4289}}^1$

素因数の和:4398

約数の個数: 32

約数和(自身を含む): 430887600

約数和(自身を除く): 172921406

約数列:

[1, 2, 17, 29, 34, 58, 61, 122, 493, 986, 1037, 1769, 2074, 3538, 4289, 8578, 30073, 60146, 72913, 124381, 145826, 248762, 261629, 523258, 2114477, 4228954, 4447693, 7587241, 8895386, 15174482, 128983097, 257966194]

約数ペア:

[(1, 257966194), (2, 128983097), (17, 15174482), (29, 8895386), (34, 7587241), (58, 4447693), (61, 4228954), (122, 2114477), (493, 523258), (986, 261629), (1037, 248762), (1769, 145826), (2074, 124381), (3538, 72913), (4289, 60146), (8578, 30073)]