66870790

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{136471}}^1$

素因数の和:136492

約数の個数: 24

約数和(自身を含む): 140020272

約数和(自身を除く): 73149482

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 136471, 272942, 682355, 955297, 1364710, 1910594, 4776485, 6687079, 9552970, 13374158, 33435395, 66870790]

約数ペア:

[(1, 66870790), (2, 33435395), (5, 13374158), (7, 9552970), (10, 6687079), (14, 4776485), (35, 1910594), (49, 1364710), (70, 955297), (98, 682355), (245, 272942), (490, 136471)]