209933765

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{1471}}^1$

素因数の和:1589

約数の個数: 32

約数和(自身を含む): 282341376

約数和(自身を除く): 72407611

約数列:

[1, 5, 17, 23, 73, 85, 115, 365, 391, 1241, 1471, 1679, 1955, 6205, 7355, 8395, 25007, 28543, 33833, 107383, 125035, 142715, 169165, 536915, 575161, 1825511, 2469809, 2875805, 9127555, 12349045, 41986753, 209933765]

約数ペア:

[(1, 209933765), (5, 41986753), (17, 12349045), (23, 9127555), (73, 2875805), (85, 2469809), (115, 1825511), (365, 575161), (391, 536915), (1241, 169165), (1471, 142715), (1679, 125035), (1955, 107383), (6205, 33833), (7355, 28543), (8395, 25007)]