66647581

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{479}}^1$

素因数の和:649

約数の個数: 32

約数和(自身を含む): 90316800

約数和(自身を除く): 23669219

約数列:

[1, 7, 11, 13, 77, 91, 139, 143, 479, 973, 1001, 1529, 1807, 3353, 5269, 6227, 10703, 12649, 19877, 36883, 43589, 66581, 68497, 139139, 466067, 479479, 732391, 865553, 5126737, 6058871, 9521083, 66647581]

約数ペア:

[(1, 66647581), (7, 9521083), (11, 6058871), (13, 5126737), (77, 865553), (91, 732391), (139, 479479), (143, 466067), (479, 139139), (973, 68497), (1001, 66581), (1529, 43589), (1807, 36883), (3353, 19877), (5269, 12649), (6227, 10703)]