388889739

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{659}}^1$

素因数の和:737

約数の個数: 96

約数和(自身を含む): 741312000

約数和(自身を除く): 352422261

約数列:

[1, 3, 7, 9, 17, 19, 21, 29, 51, 57, 63, 87, 119, 133, 153, 171, 203, 261, 323, 357, 399, 493, 551, 609, 659, 969, 1071, 1197, 1479, 1653, 1827, 1977, 2261, 2907, 3451, 3857, 4437, 4613, 4959, 5931, 6783, 9367, 10353, 11203, 11571, 12521, 13839, 19111, 20349, 28101, 31059, 33609, 34713, 37563, 41517, 57333, 65569, 78421, 84303, 87647, 100827, 112689, 133777, 171999, 196707, 212857, 235263, 262941, 324887, 363109, 401331, 590121, 638571, 705789, 788823, 974661, 1089327, 1203993, 1489999, 1915713, 2274209, 2541763, 2923983, 3267981, 4469997, 6172853, 6822627, 7625289, 13409991, 18518559, 20467881, 22875867, 43209971, 55555677, 129629913, 388889739]

約数ペア:

[(1, 388889739), (3, 129629913), (7, 55555677), (9, 43209971), (17, 22875867), (19, 20467881), (21, 18518559), (29, 13409991), (51, 7625289), (57, 6822627), (63, 6172853), (87, 4469997), (119, 3267981), (133, 2923983), (153, 2541763), (171, 2274209), (203, 1915713), (261, 1489999), (323, 1203993), (357, 1089327), (399, 974661), (493, 788823), (551, 705789), (609, 638571), (659, 590121), (969, 401331), (1071, 363109), (1197, 324887), (1479, 262941), (1653, 235263), (1827, 212857), (1977, 196707), (2261, 171999), (2907, 133777), (3451, 112689), (3857, 100827), (4437, 87647), (4613, 84303), (4959, 78421), (5931, 65569), (6783, 57333), (9367, 41517), (10353, 37563), (11203, 34713), (11571, 33609), (12521, 31059), (13839, 28101), (19111, 20349)]