1285331567

素因数分解:

${\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{127}}^1\times {\mathrm{397}}^1$

素因数の和:627

約数の個数: 32

約数和(自身を含む): 1463519232

約数和(自身を除く): 178187665

約数列:

[1, 13, 37, 53, 127, 397, 481, 689, 1651, 1961, 4699, 5161, 6731, 14689, 21041, 25493, 50419, 61087, 87503, 190957, 249047, 273533, 655447, 778517, 1865503, 2672207, 3237611, 10120721, 24251539, 34738691, 98871659, 1285331567]

約数ペア:

[(1, 1285331567), (13, 98871659), (37, 34738691), (53, 24251539), (127, 10120721), (397, 3237611), (481, 2672207), (689, 1865503), (1651, 778517), (1961, 655447), (4699, 273533), (5161, 249047), (6731, 190957), (14689, 87503), (21041, 61087), (25493, 50419)]