78004641

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{349}}^1\times {\mathrm{521}}^1$

素因数の和:897

約数の個数: 32

約数和(自身を含む): 122774400

約数和(自身を除く): 44769759

約数列:

[1, 3, 11, 13, 33, 39, 143, 349, 429, 521, 1047, 1563, 3839, 4537, 5731, 6773, 11517, 13611, 17193, 20319, 49907, 74503, 149721, 181829, 223509, 545487, 2000119, 2363777, 6000357, 7091331, 26001547, 78004641]

約数ペア:

[(1, 78004641), (3, 26001547), (11, 7091331), (13, 6000357), (33, 2363777), (39, 2000119), (143, 545487), (349, 223509), (429, 181829), (521, 149721), (1047, 74503), (1563, 49907), (3839, 20319), (4537, 17193), (5731, 13611), (6773, 11517)]