1999291248

素因数分解:

$2^4\times 3^6\times {\mathrm{181}}^1\times {\mathrm{947}}^1$

素因数の和:1154

約数の個数: 140

約数和(自身を含む): 5846037288

約数和(自身を除く): 3846746040

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 81, 108, 144, 162, 181, 216, 243, 324, 362, 432, 486, 543, 648, 724, 729, 947, 972, 1086, 1296, 1448, 1458, 1629, 1894, 1944, 2172, 2841, 2896, 2916, 3258, 3788, 3888, 4344, 4887, 5682, 5832, 6516, 7576, 8523, 8688, 9774, 11364, 11664, 13032, 14661, 15152, 17046, 19548, 22728, 25569, 26064, 29322, 34092, 39096, 43983, 45456, 51138, 58644, 68184, 76707, 78192, 87966, 102276, 117288, 131949, 136368, 153414, 171407, 175932, 204552, 230121, 234576, 263898, 306828, 342814, 351864, 409104, 460242, 514221, 527796, 613656, 685628, 690363, 703728, 920484, 1028442, 1055592, 1227312, 1371256, 1380726, 1542663, 1840968, 2056884, 2111184, 2742512, 2761452, 3085326, 3681936, 4113768, 4627989, 5522904, 6170652, 8227536, 9255978, 11045808, 12341304, 13883967, 18511956, 24682608, 27767934, 37023912, 41651901, 55535868, 74047824, 83303802, 111071736, 124955703, 166607604, 222143472, 249911406, 333215208, 499822812, 666430416, 999645624, 1999291248]

約数ペア:

[(1, 1999291248), (2, 999645624), (3, 666430416), (4, 499822812), (6, 333215208), (8, 249911406), (9, 222143472), (12, 166607604), (16, 124955703), (18, 111071736), (24, 83303802), (27, 74047824), (36, 55535868), (48, 41651901), (54, 37023912), (72, 27767934), (81, 24682608), (108, 18511956), (144, 13883967), (162, 12341304), (181, 11045808), (216, 9255978), (243, 8227536), (324, 6170652), (362, 5522904), (432, 4627989), (486, 4113768), (543, 3681936), (648, 3085326), (724, 2761452), (729, 2742512), (947, 2111184), (972, 2056884), (1086, 1840968), (1296, 1542663), (1448, 1380726), (1458, 1371256), (1629, 1227312), (1894, 1055592), (1944, 1028442), (2172, 920484), (2841, 703728), (2896, 690363), (2916, 685628), (3258, 613656), (3788, 527796), (3888, 514221), (4344, 460242), (4887, 409104), (5682, 351864), (5832, 342814), (6516, 306828), (7576, 263898), (8523, 234576), (8688, 230121), (9774, 204552), (11364, 175932), (11664, 171407), (13032, 153414), (14661, 136368), (15152, 131949), (17046, 117288), (19548, 102276), (22728, 87966), (25569, 78192), (26064, 76707), (29322, 68184), (34092, 58644), (39096, 51138), (43983, 45456)]