87689644

素因数分解:

$2^2\times 7^1\times {\mathrm{73}}^1\times {\mathrm{42901}}^1$

素因数の和:42985

約数の個数: 24

約数和(自身を含む): 177785888

約数和(自身を除く): 90096244

約数列:

[1, 2, 4, 7, 14, 28, 73, 146, 292, 511, 1022, 2044, 42901, 85802, 171604, 300307, 600614, 1201228, 3131773, 6263546, 12527092, 21922411, 43844822, 87689644]

約数ペア:

[(1, 87689644), (2, 43844822), (4, 21922411), (7, 12527092), (14, 6263546), (28, 3131773), (73, 1201228), (146, 600614), (292, 300307), (511, 171604), (1022, 85802), (2044, 42901)]