138153985

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{70667}}^1$

素因数の和:70712

約数の個数: 16

約数和(自身を含む): 183171456

約数和(自身を除く): 45017471

約数列:

[1, 5, 17, 23, 85, 115, 391, 1955, 70667, 353335, 1201339, 1625341, 6006695, 8126705, 27630797, 138153985]

約数ペア:

[(1, 138153985), (5, 27630797), (17, 8126705), (23, 6006695), (85, 1625341), (115, 1201339), (391, 353335), (1955, 70667)]