28500318

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{20563}}^1$

素因数の和:20589

約数の個数: 48

約数和(自身を含む): 76991616

約数和(自身を除く): 48491298

約数列:

[1, 2, 3, 6, 7, 9, 11, 14, 18, 21, 22, 33, 42, 63, 66, 77, 99, 126, 154, 198, 231, 462, 693, 1386, 20563, 41126, 61689, 123378, 143941, 185067, 226193, 287882, 370134, 431823, 452386, 678579, 863646, 1295469, 1357158, 1583351, 2035737, 2590938, 3166702, 4071474, 4750053, 9500106, 14250159, 28500318]

約数ペア:

[(1, 28500318), (2, 14250159), (3, 9500106), (6, 4750053), (7, 4071474), (9, 3166702), (11, 2590938), (14, 2035737), (18, 1583351), (21, 1357158), (22, 1295469), (33, 863646), (42, 678579), (63, 452386), (66, 431823), (77, 370134), (99, 287882), (126, 226193), (154, 185067), (198, 143941), (231, 123378), (462, 61689), (693, 41126), (1386, 20563)]