1661908157

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{20543}}^1$

素因数の和:20697

約数の個数: 24

約数和(自身を含む): 2098446336

約数和(自身を除く): 436538179

約数列:

[1, 7, 13, 49, 91, 127, 637, 889, 1651, 6223, 11557, 20543, 80899, 143801, 267059, 1006607, 1869413, 2608961, 13085891, 18262727, 33916493, 127839089, 237415451, 1661908157]

約数ペア:

[(1, 1661908157), (7, 237415451), (13, 127839089), (49, 33916493), (91, 18262727), (127, 13085891), (637, 2608961), (889, 1869413), (1651, 1006607), (6223, 267059), (11557, 143801), (20543, 80899)]