28666896

素因数分解:

$2^4\times 3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^2$

素因数の和:133

約数の個数: 120

約数和(自身を含む): 84503520

約数和(自身を除く): 55836624

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 19, 24, 34, 38, 43, 48, 51, 57, 68, 76, 86, 102, 114, 129, 136, 152, 172, 204, 228, 258, 272, 304, 323, 344, 408, 456, 516, 646, 688, 731, 816, 817, 912, 969, 1032, 1292, 1462, 1634, 1849, 1938, 2064, 2193, 2451, 2584, 2924, 3268, 3698, 3876, 4386, 4902, 5168, 5547, 5848, 6536, 7396, 7752, 8772, 9804, 11094, 11696, 13072, 13889, 14792, 15504, 17544, 19608, 22188, 27778, 29584, 31433, 35088, 35131, 39216, 41667, 44376, 55556, 62866, 70262, 83334, 88752, 94299, 105393, 111112, 125732, 140524, 166668, 188598, 210786, 222224, 251464, 281048, 333336, 377196, 421572, 502928, 562096, 597227, 666672, 754392, 843144, 1194454, 1508784, 1686288, 1791681, 2388908, 3583362, 4777816, 7166724, 9555632, 14333448, 28666896]

約数ペア:

[(1, 28666896), (2, 14333448), (3, 9555632), (4, 7166724), (6, 4777816), (8, 3583362), (12, 2388908), (16, 1791681), (17, 1686288), (19, 1508784), (24, 1194454), (34, 843144), (38, 754392), (43, 666672), (48, 597227), (51, 562096), (57, 502928), (68, 421572), (76, 377196), (86, 333336), (102, 281048), (114, 251464), (129, 222224), (136, 210786), (152, 188598), (172, 166668), (204, 140524), (228, 125732), (258, 111112), (272, 105393), (304, 94299), (323, 88752), (344, 83334), (408, 70262), (456, 62866), (516, 55556), (646, 44376), (688, 41667), (731, 39216), (816, 35131), (817, 35088), (912, 31433), (969, 29584), (1032, 27778), (1292, 22188), (1462, 19608), (1634, 17544), (1849, 15504), (1938, 14792), (2064, 13889), (2193, 13072), (2451, 11696), (2584, 11094), (2924, 9804), (3268, 8772), (3698, 7752), (3876, 7396), (4386, 6536), (4902, 5848), (5168, 5547)]