257233538

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{197}}^1\times {\mathrm{479}}^1$

素因数の和:754

約数の個数: 32

約数和(自身を含む): 410572800

約数和(自身を除く): 153339262

約数列:

[1, 2, 29, 47, 58, 94, 197, 394, 479, 958, 1363, 2726, 5713, 9259, 11426, 13891, 18518, 22513, 27782, 45026, 94363, 188726, 268511, 537022, 652877, 1305754, 2736527, 4435061, 5473054, 8870122, 128616769, 257233538]

約数ペア:

[(1, 257233538), (2, 128616769), (29, 8870122), (47, 5473054), (58, 4435061), (94, 2736527), (197, 1305754), (394, 652877), (479, 537022), (958, 268511), (1363, 188726), (2726, 94363), (5713, 45026), (9259, 27782), (11426, 22513), (13891, 18518)]