28803185

素因数分解:

$5^1\times {\mathrm{17}}^2\times {\mathrm{31}}^1\times {\mathrm{643}}^1$

素因数の和:713

約数の個数: 24

約数和(自身を含む): 37959936

約数和(自身を除く): 9156751

約数列:

[1, 5, 17, 31, 85, 155, 289, 527, 643, 1445, 2635, 3215, 8959, 10931, 19933, 44795, 54655, 99665, 185827, 338861, 929135, 1694305, 5760637, 28803185]

約数ペア:

[(1, 28803185), (5, 5760637), (17, 1694305), (31, 929135), (85, 338861), (155, 185827), (289, 99665), (527, 54655), (643, 44795), (1445, 19933), (2635, 10931), (3215, 8959)]