90439105

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{18289}}^1$

素因数の和:18360

約数の個数: 16

約数和(自身を含む): 115885440

約数和(自身を除く): 25446335

約数列:

[1, 5, 23, 43, 115, 215, 989, 4945, 18289, 91445, 420647, 786427, 2103235, 3932135, 18087821, 90439105]

約数ペア:

[(1, 90439105), (5, 18087821), (23, 3932135), (43, 2103235), (115, 786427), (215, 420647), (989, 91445), (4945, 18289)]