28938222

素因数分解:

$2^1\times 3^4\times {\mathrm{73}}^1\times {\mathrm{2447}}^1$

素因数の和:2534

約数の個数: 40

約数和(自身を含む): 65758176

約数和(自身を除く): 36819954

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 73, 81, 146, 162, 219, 438, 657, 1314, 1971, 2447, 3942, 4894, 5913, 7341, 11826, 14682, 22023, 44046, 66069, 132138, 178631, 198207, 357262, 396414, 535893, 1071786, 1607679, 3215358, 4823037, 9646074, 14469111, 28938222]

約数ペア:

[(1, 28938222), (2, 14469111), (3, 9646074), (6, 4823037), (9, 3215358), (18, 1607679), (27, 1071786), (54, 535893), (73, 396414), (81, 357262), (146, 198207), (162, 178631), (219, 132138), (438, 66069), (657, 44046), (1314, 22023), (1971, 14682), (2447, 11826), (3942, 7341), (4894, 5913)]