7990002

素因数分解:

$2^1\times 3^4\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1$

素因数の和:125

約数の個数: 80

約数和(自身を含む): 19421952

約数和(自身を除く): 11431950

約数列:

[1, 2, 3, 6, 9, 18, 27, 31, 37, 43, 54, 62, 74, 81, 86, 93, 111, 129, 162, 186, 222, 258, 279, 333, 387, 558, 666, 774, 837, 999, 1147, 1161, 1333, 1591, 1674, 1998, 2294, 2322, 2511, 2666, 2997, 3182, 3441, 3483, 3999, 4773, 5022, 5994, 6882, 6966, 7998, 9546, 10323, 11997, 14319, 20646, 23994, 28638, 30969, 35991, 42957, 49321, 61938, 71982, 85914, 92907, 98642, 107973, 128871, 147963, 185814, 215946, 257742, 295926, 443889, 887778, 1331667, 2663334, 3995001, 7990002]

約数ペア:

[(1, 7990002), (2, 3995001), (3, 2663334), (6, 1331667), (9, 887778), (18, 443889), (27, 295926), (31, 257742), (37, 215946), (43, 185814), (54, 147963), (62, 128871), (74, 107973), (81, 98642), (86, 92907), (93, 85914), (111, 71982), (129, 61938), (162, 49321), (186, 42957), (222, 35991), (258, 30969), (279, 28638), (333, 23994), (387, 20646), (558, 14319), (666, 11997), (774, 10323), (837, 9546), (999, 7998), (1147, 6966), (1161, 6882), (1333, 5994), (1591, 5022), (1674, 4773), (1998, 3999), (2294, 3483), (2322, 3441), (2511, 3182), (2666, 2997)]