89741561

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{809}}^1$

素因数の和:905

約数の個数: 32

約数和(自身を含む): 117573120

約数和(自身を除く): 27831559

約数列:

[1, 7, 13, 23, 53, 91, 161, 299, 371, 689, 809, 1219, 2093, 4823, 5663, 8533, 10517, 15847, 18607, 42877, 73619, 110929, 130249, 241891, 300139, 557401, 986171, 1693237, 3901807, 6903197, 12820223, 89741561]

約数ペア:

[(1, 89741561), (7, 12820223), (13, 6903197), (23, 3901807), (53, 1693237), (91, 986171), (161, 557401), (299, 300139), (371, 241891), (689, 130249), (809, 110929), (1219, 73619), (2093, 42877), (4823, 18607), (5663, 15847), (8533, 10517)]