28493388

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{541}}^1$

素因数の和:588

約数の個数: 144

約数和(自身を含む): 94698240

約数和(自身を除く): 66204852

約数列:

[1, 2, 3, 4, 6, 7, 9, 11, 12, 14, 18, 19, 21, 22, 28, 33, 36, 38, 42, 44, 57, 63, 66, 76, 77, 84, 99, 114, 126, 132, 133, 154, 171, 198, 209, 228, 231, 252, 266, 308, 342, 396, 399, 418, 462, 532, 541, 627, 684, 693, 798, 836, 924, 1082, 1197, 1254, 1386, 1463, 1596, 1623, 1881, 2164, 2394, 2508, 2772, 2926, 3246, 3762, 3787, 4389, 4788, 4869, 5852, 5951, 6492, 7524, 7574, 8778, 9738, 10279, 11361, 11902, 13167, 15148, 17556, 17853, 19476, 20558, 22722, 23804, 26334, 30837, 34083, 35706, 41116, 41657, 45444, 52668, 53559, 61674, 68166, 71412, 71953, 83314, 92511, 107118, 113069, 123348, 124971, 136332, 143906, 166628, 185022, 214236, 215859, 226138, 249942, 287812, 339207, 370044, 374913, 431718, 452276, 499884, 647577, 678414, 749826, 791483, 863436, 1017621, 1295154, 1356828, 1499652, 1582966, 2035242, 2374449, 2590308, 3165932, 4070484, 4748898, 7123347, 9497796, 14246694, 28493388]

約数ペア:

[(1, 28493388), (2, 14246694), (3, 9497796), (4, 7123347), (6, 4748898), (7, 4070484), (9, 3165932), (11, 2590308), (12, 2374449), (14, 2035242), (18, 1582966), (19, 1499652), (21, 1356828), (22, 1295154), (28, 1017621), (33, 863436), (36, 791483), (38, 749826), (42, 678414), (44, 647577), (57, 499884), (63, 452276), (66, 431718), (76, 374913), (77, 370044), (84, 339207), (99, 287812), (114, 249942), (126, 226138), (132, 215859), (133, 214236), (154, 185022), (171, 166628), (198, 143906), (209, 136332), (228, 124971), (231, 123348), (252, 113069), (266, 107118), (308, 92511), (342, 83314), (396, 71953), (399, 71412), (418, 68166), (462, 61674), (532, 53559), (541, 52668), (627, 45444), (684, 41657), (693, 41116), (798, 35706), (836, 34083), (924, 30837), (1082, 26334), (1197, 23804), (1254, 22722), (1386, 20558), (1463, 19476), (1596, 17853), (1623, 17556), (1881, 15148), (2164, 13167), (2394, 11902), (2508, 11361), (2772, 10279), (2926, 9738), (3246, 8778), (3762, 7574), (3787, 7524), (4389, 6492), (4788, 5951), (4869, 5852)]