208781636

素因数分解:

$2^2\times 7^1\times {\mathrm{97}}^1\times {\mathrm{76871}}^1$

素因数の和:76979

約数の個数: 24

約数和(自身を含む): 421873536

約数和(自身を除く): 213091900

約数列:

[1, 2, 4, 7, 14, 28, 97, 194, 388, 679, 1358, 2716, 76871, 153742, 307484, 538097, 1076194, 2152388, 7456487, 14912974, 29825948, 52195409, 104390818, 208781636]

約数ペア:

[(1, 208781636), (2, 104390818), (4, 52195409), (7, 29825948), (14, 14912974), (28, 7456487), (97, 2152388), (194, 1076194), (388, 538097), (679, 307484), (1358, 153742), (2716, 76871)]