489681647

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{6053}}^1$

素因数の和:6207

約数の個数: 24

約数和(自身を含む): 618379776

約数和(自身を除く): 128698129

約数列:

[1, 7, 13, 49, 91, 127, 637, 889, 1651, 6053, 6223, 11557, 42371, 78689, 80899, 296597, 550823, 768731, 3855761, 5381117, 9993503, 37667819, 69954521, 489681647]

約数ペア:

[(1, 489681647), (7, 69954521), (13, 37667819), (49, 9993503), (91, 5381117), (127, 3855761), (637, 768731), (889, 550823), (1651, 296597), (6053, 80899), (6223, 78689), (11557, 42371)]