28070238

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{307}}^1\times {\mathrm{311}}^1$

素因数の和:637

約数の個数: 48

約数和(自身を含む): 65729664

約数和(自身を除く): 37659426

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 147, 294, 307, 311, 614, 622, 921, 933, 1842, 1866, 2149, 2177, 4298, 4354, 6447, 6531, 12894, 13062, 15043, 15239, 30086, 30478, 45129, 45717, 90258, 91434, 95477, 190954, 286431, 572862, 668339, 1336678, 2005017, 4010034, 4678373, 9356746, 14035119, 28070238]

約数ペア:

[(1, 28070238), (2, 14035119), (3, 9356746), (6, 4678373), (7, 4010034), (14, 2005017), (21, 1336678), (42, 668339), (49, 572862), (98, 286431), (147, 190954), (294, 95477), (307, 91434), (311, 90258), (614, 45717), (622, 45129), (921, 30478), (933, 30086), (1842, 15239), (1866, 15043), (2149, 13062), (2177, 12894), (4298, 6531), (4354, 6447)]