28782292

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{239}}^1$

素因数の和:301

約数の個数: 96

約数和(自身を含む): 69672960

約数和(自身を除く): 40890668

約数列:

[1, 2, 4, 7, 11, 14, 17, 22, 23, 28, 34, 44, 46, 68, 77, 92, 119, 154, 161, 187, 238, 239, 253, 308, 322, 374, 391, 476, 478, 506, 644, 748, 782, 956, 1012, 1309, 1564, 1673, 1771, 2618, 2629, 2737, 3346, 3542, 4063, 4301, 5236, 5258, 5474, 5497, 6692, 7084, 8126, 8602, 10516, 10948, 10994, 16252, 17204, 18403, 21988, 28441, 30107, 36806, 38479, 44693, 56882, 60214, 60467, 73612, 76958, 89386, 93449, 113764, 120428, 120934, 153916, 178772, 186898, 241868, 312851, 373796, 423269, 625702, 654143, 846538, 1027939, 1251404, 1308286, 1693076, 2055878, 2616572, 4111756, 7195573, 14391146, 28782292]

約数ペア:

[(1, 28782292), (2, 14391146), (4, 7195573), (7, 4111756), (11, 2616572), (14, 2055878), (17, 1693076), (22, 1308286), (23, 1251404), (28, 1027939), (34, 846538), (44, 654143), (46, 625702), (68, 423269), (77, 373796), (92, 312851), (119, 241868), (154, 186898), (161, 178772), (187, 153916), (238, 120934), (239, 120428), (253, 113764), (308, 93449), (322, 89386), (374, 76958), (391, 73612), (476, 60467), (478, 60214), (506, 56882), (644, 44693), (748, 38479), (782, 36806), (956, 30107), (1012, 28441), (1309, 21988), (1564, 18403), (1673, 17204), (1771, 16252), (2618, 10994), (2629, 10948), (2737, 10516), (3346, 8602), (3542, 8126), (4063, 7084), (4301, 6692), (5236, 5497), (5258, 5474)]