289901521

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{283}}^1\times {\mathrm{11257}}^1$

素因数の和:11560

約数の個数: 16

約数和(自身を含む): 358094464

約数和(自身を除く): 68192943

約数列:

[1, 7, 13, 91, 283, 1981, 3679, 11257, 25753, 78799, 146341, 1024387, 3185731, 22300117, 41414503, 289901521]

約数ペア:

[(1, 289901521), (7, 41414503), (13, 22300117), (91, 3185731), (283, 1024387), (1981, 146341), (3679, 78799), (11257, 25753)]