28721304

素因数分解:

$2^3\times 3^4\times {\mathrm{127}}^1\times {\mathrm{349}}^1$

素因数の和:494

約数の個数: 80

約数和(自身を含む): 81312000

約数和(自身を除く): 52590696

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 127, 162, 216, 254, 324, 349, 381, 508, 648, 698, 762, 1016, 1047, 1143, 1396, 1524, 2094, 2286, 2792, 3048, 3141, 3429, 4188, 4572, 6282, 6858, 8376, 9144, 9423, 10287, 12564, 13716, 18846, 20574, 25128, 27432, 28269, 37692, 41148, 44323, 56538, 75384, 82296, 88646, 113076, 132969, 177292, 226152, 265938, 354584, 398907, 531876, 797814, 1063752, 1196721, 1595628, 2393442, 3191256, 3590163, 4786884, 7180326, 9573768, 14360652, 28721304]

約数ペア:

[(1, 28721304), (2, 14360652), (3, 9573768), (4, 7180326), (6, 4786884), (8, 3590163), (9, 3191256), (12, 2393442), (18, 1595628), (24, 1196721), (27, 1063752), (36, 797814), (54, 531876), (72, 398907), (81, 354584), (108, 265938), (127, 226152), (162, 177292), (216, 132969), (254, 113076), (324, 88646), (349, 82296), (381, 75384), (508, 56538), (648, 44323), (698, 41148), (762, 37692), (1016, 28269), (1047, 27432), (1143, 25128), (1396, 20574), (1524, 18846), (2094, 13716), (2286, 12564), (2792, 10287), (3048, 9423), (3141, 9144), (3429, 8376), (4188, 6858), (4572, 6282)]