73780505

素因数分解:

$5^1\times {\mathrm{53}}^1\times {\mathrm{139}}^1\times {\mathrm{2003}}^1$

素因数の和:2200

約数の個数: 16

約数和(自身を含む): 90901440

約数和(自身を除く): 17120935

約数列:

[1, 5, 53, 139, 265, 695, 2003, 7367, 10015, 36835, 106159, 278417, 530795, 1392085, 14756101, 73780505]

約数ペア:

[(1, 73780505), (5, 14756101), (53, 1392085), (139, 530795), (265, 278417), (695, 106159), (2003, 36835), (7367, 10015)]