28364778

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{2819}}^1$

素因数の和:2883

約数の個数: 48

約数和(自身を含む): 67747680

約数和(自身を除く): 39382902

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 43, 78, 86, 117, 129, 234, 258, 387, 559, 774, 1118, 1677, 2819, 3354, 5031, 5638, 8457, 10062, 16914, 25371, 36647, 50742, 73294, 109941, 121217, 219882, 242434, 329823, 363651, 659646, 727302, 1090953, 1575821, 2181906, 3151642, 4727463, 9454926, 14182389, 28364778]

約数ペア:

[(1, 28364778), (2, 14182389), (3, 9454926), (6, 4727463), (9, 3151642), (13, 2181906), (18, 1575821), (26, 1090953), (39, 727302), (43, 659646), (78, 363651), (86, 329823), (117, 242434), (129, 219882), (234, 121217), (258, 109941), (387, 73294), (559, 50742), (774, 36647), (1118, 25371), (1677, 16914), (2819, 10062), (3354, 8457), (5031, 5638)]