28238196

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{2647}}^1$

素因数の和:2788

約数の個数: 48

約数和(自身を含む): 75923456

約数和(自身を除く): 47685260

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 127, 254, 381, 508, 762, 889, 1524, 1778, 2647, 2667, 3556, 5294, 5334, 7941, 10588, 10668, 15882, 18529, 31764, 37058, 55587, 74116, 111174, 222348, 336169, 672338, 1008507, 1344676, 2017014, 2353183, 4034028, 4706366, 7059549, 9412732, 14119098, 28238196]

約数ペア:

[(1, 28238196), (2, 14119098), (3, 9412732), (4, 7059549), (6, 4706366), (7, 4034028), (12, 2353183), (14, 2017014), (21, 1344676), (28, 1008507), (42, 672338), (84, 336169), (127, 222348), (254, 111174), (381, 74116), (508, 55587), (762, 37058), (889, 31764), (1524, 18529), (1778, 15882), (2647, 10668), (2667, 10588), (3556, 7941), (5294, 5334)]