28041245

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{179}}^1$

素因数の和:317

約数の個数: 32

約数和(自身を含む): 38102400

約数和(自身を除く): 10061155

約数列:

[1, 5, 17, 19, 85, 95, 97, 179, 323, 485, 895, 1615, 1649, 1843, 3043, 3401, 8245, 9215, 15215, 17005, 17363, 31331, 57817, 86815, 156655, 289085, 295171, 329897, 1475855, 1649485, 5608249, 28041245]

約数ペア:

[(1, 28041245), (5, 5608249), (17, 1649485), (19, 1475855), (85, 329897), (95, 295171), (97, 289085), (179, 156655), (323, 86815), (485, 57817), (895, 31331), (1615, 17363), (1649, 17005), (1843, 15215), (3043, 9215), (3401, 8245)]