28261664

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1$

素因数の和:142

約数の個数: 96

約数和(自身を含む): 63866880

約数和(自身を除く): 35605216

約数列:

[1, 2, 4, 8, 16, 19, 23, 32, 38, 43, 46, 47, 76, 86, 92, 94, 152, 172, 184, 188, 304, 344, 368, 376, 437, 608, 688, 736, 752, 817, 874, 893, 989, 1081, 1376, 1504, 1634, 1748, 1786, 1978, 2021, 2162, 3268, 3496, 3572, 3956, 4042, 4324, 6536, 6992, 7144, 7912, 8084, 8648, 13072, 13984, 14288, 15824, 16168, 17296, 18791, 20539, 26144, 28576, 31648, 32336, 34592, 37582, 38399, 41078, 46483, 64672, 75164, 76798, 82156, 92966, 150328, 153596, 164312, 185932, 300656, 307192, 328624, 371864, 601312, 614384, 657248, 743728, 883177, 1228768, 1487456, 1766354, 3532708, 7065416, 14130832, 28261664]

約数ペア:

[(1, 28261664), (2, 14130832), (4, 7065416), (8, 3532708), (16, 1766354), (19, 1487456), (23, 1228768), (32, 883177), (38, 743728), (43, 657248), (46, 614384), (47, 601312), (76, 371864), (86, 328624), (92, 307192), (94, 300656), (152, 185932), (172, 164312), (184, 153596), (188, 150328), (304, 92966), (344, 82156), (368, 76798), (376, 75164), (437, 64672), (608, 46483), (688, 41078), (736, 38399), (752, 37582), (817, 34592), (874, 32336), (893, 31648), (989, 28576), (1081, 26144), (1376, 20539), (1504, 18791), (1634, 17296), (1748, 16168), (1786, 15824), (1978, 14288), (2021, 13984), (2162, 13072), (3268, 8648), (3496, 8084), (3572, 7912), (3956, 7144), (4042, 6992), (4324, 6536)]