28907018

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{997}}^1$

素因数の和:1134

約数の個数: 32

約数和(自身を含む): 52694400

約数和(自身を除く): 23787382

約数列:

[1, 2, 7, 14, 19, 38, 109, 133, 218, 266, 763, 997, 1526, 1994, 2071, 4142, 6979, 13958, 14497, 18943, 28994, 37886, 108673, 132601, 217346, 265202, 760711, 1521422, 2064787, 4129574, 14453509, 28907018]

約数ペア:

[(1, 28907018), (2, 14453509), (7, 4129574), (14, 2064787), (19, 1521422), (38, 760711), (109, 265202), (133, 217346), (218, 132601), (266, 108673), (763, 37886), (997, 28994), (1526, 18943), (1994, 14497), (2071, 13958), (4142, 6979)]