78815410

素因数分解:

$2^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{193}}^1\times {\mathrm{421}}^1$

素因数の和:718

約数の個数: 32

約数和(自身を含む): 144415152

約数和(自身を除く): 65599742

約数列:

[1, 2, 5, 10, 97, 193, 194, 386, 421, 485, 842, 965, 970, 1930, 2105, 4210, 18721, 37442, 40837, 81253, 81674, 93605, 162506, 187210, 204185, 406265, 408370, 812530, 7881541, 15763082, 39407705, 78815410]

約数ペア:

[(1, 78815410), (2, 39407705), (5, 15763082), (10, 7881541), (97, 812530), (193, 408370), (194, 406265), (386, 204185), (421, 187210), (485, 162506), (842, 93605), (965, 81674), (970, 81253), (1930, 40837), (2105, 37442), (4210, 18721)]