51217985

素因数分解:

$5^1\times 7^2\times {\mathrm{13}}^2\times {\mathrm{1237}}^1$

素因数の和:1282

約数の個数: 36

約数和(自身を含む): 77481468

約数和(自身を除く): 26263483

約数列:

[1, 5, 7, 13, 35, 49, 65, 91, 169, 245, 455, 637, 845, 1183, 1237, 3185, 5915, 6185, 8281, 8659, 16081, 41405, 43295, 60613, 80405, 112567, 209053, 303065, 562835, 787969, 1045265, 1463371, 3939845, 7316855, 10243597, 51217985]

約数ペア:

[(1, 51217985), (5, 10243597), (7, 7316855), (13, 3939845), (35, 1463371), (49, 1045265), (65, 787969), (91, 562835), (169, 303065), (245, 209053), (455, 112567), (637, 80405), (845, 60613), (1183, 43295), (1237, 41405), (3185, 16081), (5915, 8659), (6185, 8281)]