258307504

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{177409}}^1$

素因数の和:177437

約数の個数: 40

約数和(自身を含む): 615967520

約数和(自身を除く): 357660016

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 177409, 354818, 709636, 1241863, 1419272, 2306317, 2483726, 2838544, 4612634, 4967452, 9225268, 9934904, 16144219, 18450536, 19869808, 32288438, 36901072, 64576876, 129153752, 258307504]

約数ペア:

[(1, 258307504), (2, 129153752), (4, 64576876), (7, 36901072), (8, 32288438), (13, 19869808), (14, 18450536), (16, 16144219), (26, 9934904), (28, 9225268), (52, 4967452), (56, 4612634), (91, 2838544), (104, 2483726), (112, 2306317), (182, 1419272), (208, 1241863), (364, 709636), (728, 354818), (1456, 177409)]