72807772

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{22279}}^1$

素因数の和:22345

約数の個数: 24

約数和(自身を含む): 137244800

約数和(自身を除く): 64437028

約数列:

[1, 2, 4, 19, 38, 43, 76, 86, 172, 817, 1634, 3268, 22279, 44558, 89116, 423301, 846602, 957997, 1693204, 1915994, 3831988, 18201943, 36403886, 72807772]

約数ペア:

[(1, 72807772), (2, 36403886), (4, 18201943), (19, 3831988), (38, 1915994), (43, 1693204), (76, 957997), (86, 846602), (172, 423301), (817, 89116), (1634, 44558), (3268, 22279)]