66981005

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{147211}}^1$

素因数の和:147236

約数の個数: 16

約数和(自身を含む): 98926464

約数和(自身を除く): 31945459

約数列:

[1, 5, 7, 13, 35, 65, 91, 455, 147211, 736055, 1030477, 1913743, 5152385, 9568715, 13396201, 66981005]

約数ペア:

[(1, 66981005), (5, 13396201), (7, 9568715), (13, 5152385), (35, 1913743), (65, 1030477), (91, 736055), (455, 147211)]