219403751

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{193}}^1\times {\mathrm{233}}^1$

素因数の和:491

約数の個数: 32

約数和(自身を含む): 274555008

約数和(自身を除く): 55151257

約数列:

[1, 7, 17, 41, 119, 193, 233, 287, 697, 1351, 1631, 3281, 3961, 4879, 7913, 9553, 22967, 27727, 44969, 55391, 66871, 134521, 162401, 314783, 764473, 941647, 1136807, 1843729, 5351311, 12906103, 31343393, 219403751]

約数ペア:

[(1, 219403751), (7, 31343393), (17, 12906103), (41, 5351311), (119, 1843729), (193, 1136807), (233, 941647), (287, 764473), (697, 314783), (1351, 162401), (1631, 134521), (3281, 66871), (3961, 55391), (4879, 44969), (7913, 27727), (9553, 22967)]