28243852

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2503}}^1$

素因数の和:2558

約数の個数: 48

約数和(自身を含む): 62820352

約数和(自身を除く): 34576500

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 31, 52, 62, 91, 124, 182, 217, 364, 403, 434, 806, 868, 1612, 2503, 2821, 5006, 5642, 10012, 11284, 17521, 32539, 35042, 65078, 70084, 77593, 130156, 155186, 227773, 310372, 455546, 543151, 911092, 1008709, 1086302, 2017418, 2172604, 4034836, 7060963, 14121926, 28243852]

約数ペア:

[(1, 28243852), (2, 14121926), (4, 7060963), (7, 4034836), (13, 2172604), (14, 2017418), (26, 1086302), (28, 1008709), (31, 911092), (52, 543151), (62, 455546), (91, 310372), (124, 227773), (182, 155186), (217, 130156), (364, 77593), (403, 70084), (434, 65078), (806, 35042), (868, 32539), (1612, 17521), (2503, 11284), (2821, 10012), (5006, 5642)]