28019072

素因数分解:

$2^7\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{281}}^1$

素因数の和:355

約数の個数: 64

約数和(自身を含む): 60404400

約数和(自身を除く): 32385328

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 41, 64, 76, 82, 128, 152, 164, 281, 304, 328, 562, 608, 656, 779, 1124, 1216, 1312, 1558, 2248, 2432, 2624, 3116, 4496, 5248, 5339, 6232, 8992, 10678, 11521, 12464, 17984, 21356, 23042, 24928, 35968, 42712, 46084, 49856, 85424, 92168, 99712, 170848, 184336, 218899, 341696, 368672, 437798, 683392, 737344, 875596, 1474688, 1751192, 3502384, 7004768, 14009536, 28019072]

約数ペア:

[(1, 28019072), (2, 14009536), (4, 7004768), (8, 3502384), (16, 1751192), (19, 1474688), (32, 875596), (38, 737344), (41, 683392), (64, 437798), (76, 368672), (82, 341696), (128, 218899), (152, 184336), (164, 170848), (281, 99712), (304, 92168), (328, 85424), (562, 49856), (608, 46084), (656, 42712), (779, 35968), (1124, 24928), (1216, 23042), (1312, 21356), (1558, 17984), (2248, 12464), (2432, 11521), (2624, 10678), (3116, 8992), (4496, 6232), (5248, 5339)]