28647472

素因数分解:

$2^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{223}}^1$

素因数の和:306

約数の個数: 80

約数和(自身を含む): 67551232

約数和(自身を除く): 38903760

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 37, 56, 62, 74, 112, 124, 148, 217, 223, 248, 259, 296, 434, 446, 496, 518, 592, 868, 892, 1036, 1147, 1561, 1736, 1784, 2072, 2294, 3122, 3472, 3568, 4144, 4588, 6244, 6913, 8029, 8251, 9176, 12488, 13826, 16058, 16502, 18352, 24976, 27652, 32116, 33004, 48391, 55304, 57757, 64232, 66008, 96782, 110608, 115514, 128464, 132016, 193564, 231028, 255781, 387128, 462056, 511562, 774256, 924112, 1023124, 1790467, 2046248, 3580934, 4092496, 7161868, 14323736, 28647472]

約数ペア:

[(1, 28647472), (2, 14323736), (4, 7161868), (7, 4092496), (8, 3580934), (14, 2046248), (16, 1790467), (28, 1023124), (31, 924112), (37, 774256), (56, 511562), (62, 462056), (74, 387128), (112, 255781), (124, 231028), (148, 193564), (217, 132016), (223, 128464), (248, 115514), (259, 110608), (296, 96782), (434, 66008), (446, 64232), (496, 57757), (518, 55304), (592, 48391), (868, 33004), (892, 32116), (1036, 27652), (1147, 24976), (1561, 18352), (1736, 16502), (1784, 16058), (2072, 13826), (2294, 12488), (3122, 9176), (3472, 8251), (3568, 8029), (4144, 6913), (4588, 6244)]