28880995

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1303}}^1$

素因数の和:1363

約数の個数: 32

約数和(自身を含む): 42061824

約数和(自身を除く): 13180829

約数列:

[1, 5, 11, 13, 31, 55, 65, 143, 155, 341, 403, 715, 1303, 1705, 2015, 4433, 6515, 14333, 16939, 22165, 40393, 71665, 84695, 186329, 201965, 444323, 525109, 931645, 2221615, 2625545, 5776199, 28880995]

約数ペア:

[(1, 28880995), (5, 5776199), (11, 2625545), (13, 2221615), (31, 931645), (55, 525109), (65, 444323), (143, 201965), (155, 186329), (341, 84695), (403, 71665), (715, 40393), (1303, 22165), (1705, 16939), (2015, 14333), (4433, 6515)]