198956472

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{1999}}^1$

素因数の和:2061

約数の個数: 128

約数和(自身を含む): 604800000

約数和(自身を除く): 405843528

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 13, 22, 24, 26, 29, 33, 39, 44, 52, 58, 66, 78, 87, 88, 104, 116, 132, 143, 156, 174, 232, 264, 286, 312, 319, 348, 377, 429, 572, 638, 696, 754, 858, 957, 1131, 1144, 1276, 1508, 1716, 1914, 1999, 2262, 2552, 3016, 3432, 3828, 3998, 4147, 4524, 5997, 7656, 7996, 8294, 9048, 11994, 12441, 15992, 16588, 21989, 23988, 24882, 25987, 33176, 43978, 47976, 49764, 51974, 57971, 65967, 77961, 87956, 99528, 103948, 115942, 131934, 155922, 173913, 175912, 207896, 231884, 263868, 285857, 311844, 347826, 463768, 527736, 571714, 623688, 637681, 695652, 753623, 857571, 1143428, 1275362, 1391304, 1507246, 1715142, 1913043, 2260869, 2286856, 2550724, 3014492, 3430284, 3826086, 4521738, 5101448, 6028984, 6860568, 7652172, 8289853, 9043476, 15304344, 16579706, 18086952, 24869559, 33159412, 49739118, 66318824, 99478236, 198956472]

約数ペア:

[(1, 198956472), (2, 99478236), (3, 66318824), (4, 49739118), (6, 33159412), (8, 24869559), (11, 18086952), (12, 16579706), (13, 15304344), (22, 9043476), (24, 8289853), (26, 7652172), (29, 6860568), (33, 6028984), (39, 5101448), (44, 4521738), (52, 3826086), (58, 3430284), (66, 3014492), (78, 2550724), (87, 2286856), (88, 2260869), (104, 1913043), (116, 1715142), (132, 1507246), (143, 1391304), (156, 1275362), (174, 1143428), (232, 857571), (264, 753623), (286, 695652), (312, 637681), (319, 623688), (348, 571714), (377, 527736), (429, 463768), (572, 347826), (638, 311844), (696, 285857), (754, 263868), (858, 231884), (957, 207896), (1131, 175912), (1144, 173913), (1276, 155922), (1508, 131934), (1716, 115942), (1914, 103948), (1999, 99528), (2262, 87956), (2552, 77961), (3016, 65967), (3432, 57971), (3828, 51974), (3998, 49764), (4147, 47976), (4524, 43978), (5997, 33176), (7656, 25987), (7996, 24882), (8294, 23988), (9048, 21989), (11994, 16588), (12441, 15992)]