28809605

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{1451}}^1$

素因数の和:1505

約数の個数: 24

約数和(自身を含む): 39831264

約数和(自身を除く): 11021659

約数列:

[1, 5, 11, 19, 55, 95, 209, 361, 1045, 1451, 1805, 3971, 7255, 15961, 19855, 27569, 79805, 137845, 303259, 523811, 1516295, 2619055, 5761921, 28809605]

約数ペア:

[(1, 28809605), (5, 5761921), (11, 2619055), (19, 1516295), (55, 523811), (95, 303259), (209, 137845), (361, 79805), (1045, 27569), (1451, 19855), (1805, 15961), (3971, 7255)]