28016065

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{1373}}^1$

素因数の和:1449

約数の個数: 32

約数和(自身を含む): 42736896

約数和(自身を除く): 14720831

約数列:

[1, 5, 7, 11, 35, 53, 55, 77, 265, 371, 385, 583, 1373, 1855, 2915, 4081, 6865, 9611, 15103, 20405, 48055, 72769, 75515, 105721, 363845, 509383, 528605, 800459, 2546915, 4002295, 5603213, 28016065]

約数ペア:

[(1, 28016065), (5, 5603213), (7, 4002295), (11, 2546915), (35, 800459), (53, 528605), (55, 509383), (77, 363845), (265, 105721), (371, 75515), (385, 72769), (583, 48055), (1373, 20405), (1855, 15103), (2915, 9611), (4081, 6865)]