28522263

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{569}}^1$

素因数の和:628

約数の個数: 48

約数和(自身を含む): 49904640

約数和(自身を除く): 21382377

約数列:

[1, 3, 7, 11, 21, 31, 33, 49, 77, 93, 147, 217, 231, 341, 539, 569, 651, 1023, 1519, 1617, 1707, 2387, 3983, 4557, 6259, 7161, 11949, 16709, 17639, 18777, 27881, 43813, 50127, 52917, 83643, 123473, 131439, 194029, 306691, 370419, 582087, 864311, 920073, 1358203, 2592933, 4074609, 9507421, 28522263]

約数ペア:

[(1, 28522263), (3, 9507421), (7, 4074609), (11, 2592933), (21, 1358203), (31, 920073), (33, 864311), (49, 582087), (77, 370419), (93, 306691), (147, 194029), (217, 131439), (231, 123473), (341, 83643), (539, 52917), (569, 50127), (651, 43813), (1023, 27881), (1519, 18777), (1617, 17639), (1707, 16709), (2387, 11949), (3983, 7161), (4557, 6259)]