681249712

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{15671}}^1$

素因数の和:15722

約数の個数: 80

約数和(自身を含む): 1632395520

約数和(自身を除く): 951145808

約数列:

[1, 2, 4, 8, 11, 13, 16, 19, 22, 26, 38, 44, 52, 76, 88, 104, 143, 152, 176, 208, 209, 247, 286, 304, 418, 494, 572, 836, 988, 1144, 1672, 1976, 2288, 2717, 3344, 3952, 5434, 10868, 15671, 21736, 31342, 43472, 62684, 125368, 172381, 203723, 250736, 297749, 344762, 407446, 595498, 689524, 814892, 1190996, 1379048, 1629784, 2240953, 2381992, 2758096, 3259568, 3275239, 3870737, 4481906, 4763984, 6550478, 7741474, 8963812, 13100956, 15482948, 17927624, 26201912, 30965896, 35855248, 42578107, 52403824, 61931792, 85156214, 170312428, 340624856, 681249712]

約数ペア:

[(1, 681249712), (2, 340624856), (4, 170312428), (8, 85156214), (11, 61931792), (13, 52403824), (16, 42578107), (19, 35855248), (22, 30965896), (26, 26201912), (38, 17927624), (44, 15482948), (52, 13100956), (76, 8963812), (88, 7741474), (104, 6550478), (143, 4763984), (152, 4481906), (176, 3870737), (208, 3275239), (209, 3259568), (247, 2758096), (286, 2381992), (304, 2240953), (418, 1629784), (494, 1379048), (572, 1190996), (836, 814892), (988, 689524), (1144, 595498), (1672, 407446), (1976, 344762), (2288, 297749), (2717, 250736), (3344, 203723), (3952, 172381), (5434, 125368), (10868, 62684), (15671, 43472), (21736, 31342)]