1253393855

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{19709}}^1$

素因数の和:19823

約数の個数: 32

約数和(自身を含む): 1816473600

約数和(自身を除く): 563079745

約数列:

[1, 5, 7, 23, 35, 79, 115, 161, 395, 553, 805, 1817, 2765, 9085, 12719, 19709, 63595, 98545, 137963, 453307, 689815, 1557011, 2266535, 3173149, 7785055, 10899077, 15865745, 35811253, 54495385, 179056265, 250678771, 1253393855]

約数ペア:

[(1, 1253393855), (5, 250678771), (7, 179056265), (23, 54495385), (35, 35811253), (79, 15865745), (115, 10899077), (161, 7785055), (395, 3173149), (553, 2266535), (805, 1557011), (1817, 689815), (2765, 453307), (9085, 137963), (12719, 98545), (19709, 63595)]