28288595

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{97}}^1$

素因数の和:239

約数の個数: 32

約数和(自身を含む): 37594368

約数和(自身を除く): 9305773

約数列:

[1, 5, 17, 47, 73, 85, 97, 235, 365, 485, 799, 1241, 1649, 3431, 3995, 4559, 6205, 7081, 8245, 17155, 22795, 35405, 58327, 77503, 120377, 291635, 332807, 387515, 601885, 1664035, 5657719, 28288595]

約数ペア:

[(1, 28288595), (5, 5657719), (17, 1664035), (47, 601885), (73, 387515), (85, 332807), (97, 291635), (235, 120377), (365, 77503), (485, 58327), (799, 35405), (1241, 22795), (1649, 17155), (3431, 8245), (3995, 7081), (4559, 6205)]