207680785

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{77929}}^1$

素因数の和:77988

約数の個数: 16

約数和(自身を含む): 274937040

約数和(自身を除く): 67256255

約数列:

[1, 5, 13, 41, 65, 205, 533, 2665, 77929, 389645, 1013077, 3195089, 5065385, 15975445, 41536157, 207680785]

約数ペア:

[(1, 207680785), (5, 41536157), (13, 15975445), (41, 5065385), (65, 3195089), (205, 1013077), (533, 389645), (2665, 77929)]