28178192

素因数分解:

$2^4\times 7^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{101}}^1$

素因数の和:216

約数の個数: 80

約数和(自身を含む): 65567232

約数和(自身を除く): 37389040

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 47, 53, 56, 94, 101, 106, 112, 188, 202, 212, 329, 371, 376, 404, 424, 658, 707, 742, 752, 808, 848, 1316, 1414, 1484, 1616, 2491, 2632, 2828, 2968, 4747, 4982, 5264, 5353, 5656, 5936, 9494, 9964, 10706, 11312, 17437, 18988, 19928, 21412, 33229, 34874, 37471, 37976, 39856, 42824, 66458, 69748, 74942, 75952, 85648, 132916, 139496, 149884, 251591, 265832, 278992, 299768, 503182, 531664, 599536, 1006364, 1761137, 2012728, 3522274, 4025456, 7044548, 14089096, 28178192]

約数ペア:

[(1, 28178192), (2, 14089096), (4, 7044548), (7, 4025456), (8, 3522274), (14, 2012728), (16, 1761137), (28, 1006364), (47, 599536), (53, 531664), (56, 503182), (94, 299768), (101, 278992), (106, 265832), (112, 251591), (188, 149884), (202, 139496), (212, 132916), (329, 85648), (371, 75952), (376, 74942), (404, 69748), (424, 66458), (658, 42824), (707, 39856), (742, 37976), (752, 37471), (808, 34874), (848, 33229), (1316, 21412), (1414, 19928), (1484, 18988), (1616, 17437), (2491, 11312), (2632, 10706), (2828, 9964), (2968, 9494), (4747, 5936), (4982, 5656), (5264, 5353)]