51561475

素因数分解:

$5^2\times 7^4\times {\mathrm{859}}^1$

素因数の和:897

約数の個数: 30

約数和(自身を含む): 74674660

約数和(自身を除く): 23113185

約数列:

[1, 5, 7, 25, 35, 49, 175, 245, 343, 859, 1225, 1715, 2401, 4295, 6013, 8575, 12005, 21475, 30065, 42091, 60025, 150325, 210455, 294637, 1052275, 1473185, 2062459, 7365925, 10312295, 51561475]

約数ペア:

[(1, 51561475), (5, 10312295), (7, 7365925), (25, 2062459), (35, 1473185), (49, 1052275), (175, 294637), (245, 210455), (343, 150325), (859, 60025), (1225, 42091), (1715, 30065), (2401, 21475), (4295, 12005), (6013, 8575)]