28844277

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1$

素因数の和:194

約数の個数: 64

約数和(自身を含む): 51425280

約数和(自身を除く): 22581003

約数列:

[1, 3, 7, 11, 21, 23, 33, 61, 69, 77, 89, 161, 183, 231, 253, 267, 427, 483, 623, 671, 759, 979, 1281, 1403, 1771, 1869, 2013, 2047, 2937, 4209, 4697, 5313, 5429, 6141, 6853, 9821, 14091, 14329, 15433, 16287, 20559, 22517, 29463, 38003, 42987, 46299, 59719, 67551, 108031, 114009, 124867, 157619, 179157, 324093, 374601, 418033, 472857, 874069, 1254099, 1373537, 2622207, 4120611, 9614759, 28844277]

約数ペア:

[(1, 28844277), (3, 9614759), (7, 4120611), (11, 2622207), (21, 1373537), (23, 1254099), (33, 874069), (61, 472857), (69, 418033), (77, 374601), (89, 324093), (161, 179157), (183, 157619), (231, 124867), (253, 114009), (267, 108031), (427, 67551), (483, 59719), (623, 46299), (671, 42987), (759, 38003), (979, 29463), (1281, 22517), (1403, 20559), (1771, 16287), (1869, 15433), (2013, 14329), (2047, 14091), (2937, 9821), (4209, 6853), (4697, 6141), (5313, 5429)]