28871856

素因数分解:

$2^4\times 3^3\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{97}}^1$

素因数の和:180

約数の個数: 160

約数和(自身を含む): 91869120

約数和(自身を除く): 62997264

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 27, 36, 39, 48, 52, 53, 54, 72, 78, 97, 104, 106, 108, 117, 144, 156, 159, 194, 208, 212, 216, 234, 291, 312, 318, 351, 388, 424, 432, 468, 477, 582, 624, 636, 689, 702, 776, 848, 873, 936, 954, 1164, 1261, 1272, 1378, 1404, 1431, 1552, 1746, 1872, 1908, 2067, 2328, 2522, 2544, 2619, 2756, 2808, 2862, 3492, 3783, 3816, 4134, 4656, 5044, 5141, 5238, 5512, 5616, 5724, 6201, 6984, 7566, 7632, 8268, 10088, 10282, 10476, 11024, 11349, 11448, 12402, 13968, 15132, 15423, 16536, 18603, 20176, 20564, 20952, 22698, 22896, 24804, 30264, 30846, 33072, 34047, 37206, 41128, 41904, 45396, 46269, 49608, 60528, 61692, 66833, 68094, 74412, 82256, 90792, 92538, 99216, 123384, 133666, 136188, 138807, 148824, 181584, 185076, 200499, 246768, 267332, 272376, 277614, 297648, 370152, 400998, 534664, 544752, 555228, 601497, 740304, 801996, 1069328, 1110456, 1202994, 1603992, 1804491, 2220912, 2405988, 3207984, 3608982, 4811976, 7217964, 9623952, 14435928, 28871856]

約数ペア:

[(1, 28871856), (2, 14435928), (3, 9623952), (4, 7217964), (6, 4811976), (8, 3608982), (9, 3207984), (12, 2405988), (13, 2220912), (16, 1804491), (18, 1603992), (24, 1202994), (26, 1110456), (27, 1069328), (36, 801996), (39, 740304), (48, 601497), (52, 555228), (53, 544752), (54, 534664), (72, 400998), (78, 370152), (97, 297648), (104, 277614), (106, 272376), (108, 267332), (117, 246768), (144, 200499), (156, 185076), (159, 181584), (194, 148824), (208, 138807), (212, 136188), (216, 133666), (234, 123384), (291, 99216), (312, 92538), (318, 90792), (351, 82256), (388, 74412), (424, 68094), (432, 66833), (468, 61692), (477, 60528), (582, 49608), (624, 46269), (636, 45396), (689, 41904), (702, 41128), (776, 37206), (848, 34047), (873, 33072), (936, 30846), (954, 30264), (1164, 24804), (1261, 22896), (1272, 22698), (1378, 20952), (1404, 20564), (1431, 20176), (1552, 18603), (1746, 16536), (1872, 15423), (1908, 15132), (2067, 13968), (2328, 12402), (2522, 11448), (2544, 11349), (2619, 11024), (2756, 10476), (2808, 10282), (2862, 10088), (3492, 8268), (3783, 7632), (3816, 7566), (4134, 6984), (4656, 6201), (5044, 5724), (5141, 5616), (5238, 5512)]