285870396

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{127}}^2\times {\mathrm{211}}^1$

素因数の和:479

約数の個数: 72

約数和(自身を含む): 772012416

約数和(自身を除く): 486142020

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 127, 211, 254, 381, 422, 508, 633, 762, 844, 889, 1266, 1477, 1524, 1778, 2532, 2667, 2954, 3556, 4431, 5334, 5908, 8862, 10668, 16129, 17724, 26797, 32258, 48387, 53594, 64516, 80391, 96774, 107188, 112903, 160782, 187579, 193548, 225806, 321564, 338709, 375158, 451612, 562737, 677418, 750316, 1125474, 1354836, 2250948, 3403219, 6806438, 10209657, 13612876, 20419314, 23822533, 40838628, 47645066, 71467599, 95290132, 142935198, 285870396]

約数ペア:

[(1, 285870396), (2, 142935198), (3, 95290132), (4, 71467599), (6, 47645066), (7, 40838628), (12, 23822533), (14, 20419314), (21, 13612876), (28, 10209657), (42, 6806438), (84, 3403219), (127, 2250948), (211, 1354836), (254, 1125474), (381, 750316), (422, 677418), (508, 562737), (633, 451612), (762, 375158), (844, 338709), (889, 321564), (1266, 225806), (1477, 193548), (1524, 187579), (1778, 160782), (2532, 112903), (2667, 107188), (2954, 96774), (3556, 80391), (4431, 64516), (5334, 53594), (5908, 48387), (8862, 32258), (10668, 26797), (16129, 17724)]