28069384

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1$

素因数の和:123

約数の個数: 128

約数和(自身を含む): 70041600

約数和(自身を除く): 41972216

約数列:

[1, 2, 4, 7, 8, 14, 19, 23, 28, 31, 37, 38, 46, 56, 62, 74, 76, 92, 124, 133, 148, 152, 161, 184, 217, 248, 259, 266, 296, 322, 434, 437, 518, 532, 589, 644, 703, 713, 851, 868, 874, 1036, 1064, 1147, 1178, 1288, 1406, 1426, 1702, 1736, 1748, 2072, 2294, 2356, 2812, 2852, 3059, 3404, 3496, 4123, 4588, 4712, 4921, 4991, 5624, 5704, 5957, 6118, 6808, 8029, 8246, 9176, 9842, 9982, 11914, 12236, 13547, 16058, 16169, 16492, 19684, 19964, 21793, 23828, 24472, 26381, 27094, 32116, 32338, 32984, 39368, 39928, 43586, 47656, 52762, 54188, 64232, 64676, 87172, 94829, 105524, 108376, 113183, 129352, 152551, 174344, 184667, 189658, 211048, 226366, 305102, 369334, 379316, 452732, 501239, 610204, 738668, 758632, 905464, 1002478, 1220408, 1477336, 2004956, 3508673, 4009912, 7017346, 14034692, 28069384]

約数ペア:

[(1, 28069384), (2, 14034692), (4, 7017346), (7, 4009912), (8, 3508673), (14, 2004956), (19, 1477336), (23, 1220408), (28, 1002478), (31, 905464), (37, 758632), (38, 738668), (46, 610204), (56, 501239), (62, 452732), (74, 379316), (76, 369334), (92, 305102), (124, 226366), (133, 211048), (148, 189658), (152, 184667), (161, 174344), (184, 152551), (217, 129352), (248, 113183), (259, 108376), (266, 105524), (296, 94829), (322, 87172), (434, 64676), (437, 64232), (518, 54188), (532, 52762), (589, 47656), (644, 43586), (703, 39928), (713, 39368), (851, 32984), (868, 32338), (874, 32116), (1036, 27094), (1064, 26381), (1147, 24472), (1178, 23828), (1288, 21793), (1406, 19964), (1426, 19684), (1702, 16492), (1736, 16169), (1748, 16058), (2072, 13547), (2294, 12236), (2356, 11914), (2812, 9982), (2852, 9842), (3059, 9176), (3404, 8246), (3496, 8029), (4123, 6808), (4588, 6118), (4712, 5957), (4921, 5704), (4991, 5624)]