649403748

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{857}}^1$

素因数の和:1002

約数の個数: 144

約数和(自身を含む): 1958820864

約数和(自身を除く): 1309417116

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 31, 36, 42, 62, 63, 84, 93, 97, 124, 126, 186, 194, 217, 252, 279, 291, 372, 388, 434, 558, 582, 651, 679, 857, 868, 873, 1116, 1164, 1302, 1358, 1714, 1746, 1953, 2037, 2571, 2604, 2716, 3007, 3428, 3492, 3906, 4074, 5142, 5999, 6014, 6111, 7713, 7812, 8148, 9021, 10284, 11998, 12028, 12222, 15426, 17997, 18042, 21049, 23996, 24444, 26567, 27063, 30852, 35994, 36084, 42098, 53134, 53991, 54126, 63147, 71988, 79701, 83129, 84196, 106268, 107982, 108252, 126294, 159402, 166258, 185969, 189441, 215964, 239103, 249387, 252588, 318804, 332516, 371938, 378882, 478206, 498774, 557907, 581903, 743876, 748161, 757764, 956412, 997548, 1115814, 1163806, 1496322, 1673721, 1745709, 2231628, 2327612, 2576999, 2992644, 3347442, 3491418, 5153998, 5237127, 6694884, 6982836, 7730997, 10307996, 10474254, 15461994, 18038993, 20948508, 23192991, 30923988, 36077986, 46385982, 54116979, 72155972, 92771964, 108233958, 162350937, 216467916, 324701874, 649403748]

約数ペア:

[(1, 649403748), (2, 324701874), (3, 216467916), (4, 162350937), (6, 108233958), (7, 92771964), (9, 72155972), (12, 54116979), (14, 46385982), (18, 36077986), (21, 30923988), (28, 23192991), (31, 20948508), (36, 18038993), (42, 15461994), (62, 10474254), (63, 10307996), (84, 7730997), (93, 6982836), (97, 6694884), (124, 5237127), (126, 5153998), (186, 3491418), (194, 3347442), (217, 2992644), (252, 2576999), (279, 2327612), (291, 2231628), (372, 1745709), (388, 1673721), (434, 1496322), (558, 1163806), (582, 1115814), (651, 997548), (679, 956412), (857, 757764), (868, 748161), (873, 743876), (1116, 581903), (1164, 557907), (1302, 498774), (1358, 478206), (1714, 378882), (1746, 371938), (1953, 332516), (2037, 318804), (2571, 252588), (2604, 249387), (2716, 239103), (3007, 215964), (3428, 189441), (3492, 185969), (3906, 166258), (4074, 159402), (5142, 126294), (5999, 108252), (6014, 107982), (6111, 106268), (7713, 84196), (7812, 83129), (8148, 79701), (9021, 71988), (10284, 63147), (11998, 54126), (12028, 53991), (12222, 53134), (15426, 42098), (17997, 36084), (18042, 35994), (21049, 30852), (23996, 27063), (24444, 26567)]