28784028

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{613}}^1$

素因数の和:683

約数の個数: 96

約数和(自身を含む): 84722176

約数和(自身を除く): 55938148

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 42, 43, 52, 78, 84, 86, 91, 129, 156, 172, 182, 258, 273, 301, 364, 516, 546, 559, 602, 613, 903, 1092, 1118, 1204, 1226, 1677, 1806, 1839, 2236, 2452, 3354, 3612, 3678, 3913, 4291, 6708, 7356, 7826, 7969, 8582, 11739, 12873, 15652, 15938, 17164, 23478, 23907, 25746, 26359, 31876, 46956, 47814, 51492, 52718, 55783, 79077, 95628, 105436, 111566, 158154, 167349, 184513, 223132, 316308, 334698, 342667, 369026, 553539, 669396, 685334, 738052, 1028001, 1107078, 1370668, 2056002, 2214156, 2398669, 4112004, 4797338, 7196007, 9594676, 14392014, 28784028]

約数ペア:

[(1, 28784028), (2, 14392014), (3, 9594676), (4, 7196007), (6, 4797338), (7, 4112004), (12, 2398669), (13, 2214156), (14, 2056002), (21, 1370668), (26, 1107078), (28, 1028001), (39, 738052), (42, 685334), (43, 669396), (52, 553539), (78, 369026), (84, 342667), (86, 334698), (91, 316308), (129, 223132), (156, 184513), (172, 167349), (182, 158154), (258, 111566), (273, 105436), (301, 95628), (364, 79077), (516, 55783), (546, 52718), (559, 51492), (602, 47814), (613, 46956), (903, 31876), (1092, 26359), (1118, 25746), (1204, 23907), (1226, 23478), (1677, 17164), (1806, 15938), (1839, 15652), (2236, 12873), (2452, 11739), (3354, 8582), (3612, 7969), (3678, 7826), (3913, 7356), (4291, 6708)]