215958085

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{131}}^1$

素因数の和:266

約数の個数: 64

約数和(自身を含む): 327444480

約数和(自身を除く): 111486395

約数列:

[1, 5, 7, 19, 35, 37, 67, 95, 131, 133, 185, 259, 335, 469, 655, 665, 703, 917, 1273, 1295, 2345, 2479, 2489, 3515, 4585, 4847, 4921, 6365, 8777, 8911, 12395, 12445, 17353, 17423, 24235, 24605, 33929, 43885, 44555, 47101, 61439, 86765, 87115, 92093, 166763, 169645, 235505, 307195, 324749, 329707, 460465, 644651, 833815, 1167341, 1623745, 1648535, 2273243, 3223255, 5836705, 6170231, 11366215, 30851155, 43191617, 215958085]

約数ペア:

[(1, 215958085), (5, 43191617), (7, 30851155), (19, 11366215), (35, 6170231), (37, 5836705), (67, 3223255), (95, 2273243), (131, 1648535), (133, 1623745), (185, 1167341), (259, 833815), (335, 644651), (469, 460465), (655, 329707), (665, 324749), (703, 307195), (917, 235505), (1273, 169645), (1295, 166763), (2345, 92093), (2479, 87115), (2489, 86765), (3515, 61439), (4585, 47101), (4847, 44555), (4921, 43885), (6365, 33929), (8777, 24605), (8911, 24235), (12395, 17423), (12445, 17353)]