78994175

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{2731}}^1$

素因数の和:2843

約数の個数: 24

約数和(自身を含む): 106711920

約数和(自身を除く): 27717745

約数列:

[1, 5, 13, 25, 65, 89, 325, 445, 1157, 2225, 2731, 5785, 13655, 28925, 35503, 68275, 177515, 243059, 887575, 1215295, 3159767, 6076475, 15798835, 78994175]

約数ペア:

[(1, 78994175), (5, 15798835), (13, 6076475), (25, 3159767), (65, 1215295), (89, 887575), (325, 243059), (445, 177515), (1157, 68275), (2225, 35503), (2731, 28925), (5785, 13655)]