31965380

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{16477}}^1$

素因数の和:16583

約数の個数: 24

約数和(自身を含む): 67823448

約数和(自身を除く): 35858068

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 388, 485, 970, 1940, 16477, 32954, 65908, 82385, 164770, 329540, 1598269, 3196538, 6393076, 7991345, 15982690, 31965380]

約数ペア:

[(1, 31965380), (2, 15982690), (4, 7991345), (5, 6393076), (10, 3196538), (20, 1598269), (97, 329540), (194, 164770), (388, 82385), (485, 65908), (970, 32954), (1940, 16477)]