168581605

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{1627}}^1$

素因数の和:1725

約数の個数: 32

約数和(自身を含む): 227867904

約数和(自身を除く): 59286299

約数列:

[1, 5, 17, 23, 53, 85, 115, 265, 391, 901, 1219, 1627, 1955, 4505, 6095, 8135, 20723, 27659, 37421, 86231, 103615, 138295, 187105, 431155, 636157, 1465927, 1983313, 3180785, 7329635, 9916565, 33716321, 168581605]

約数ペア:

[(1, 168581605), (5, 33716321), (17, 9916565), (23, 7329635), (53, 3180785), (85, 1983313), (115, 1465927), (265, 636157), (391, 431155), (901, 187105), (1219, 138295), (1627, 103615), (1955, 86231), (4505, 37421), (6095, 27659), (8135, 20723)]