78746396

素因数分解:

$2^2\times {\mathrm{109}}^1\times {\mathrm{179}}^1\times {\mathrm{1009}}^1$

素因数の和:1301

約数の個数: 24

約数和(自身を含む): 139986000

約数和(自身を除く): 61239604

約数列:

[1, 2, 4, 109, 179, 218, 358, 436, 716, 1009, 2018, 4036, 19511, 39022, 78044, 109981, 180611, 219962, 361222, 439924, 722444, 19686599, 39373198, 78746396]

約数ペア:

[(1, 78746396), (2, 39373198), (4, 19686599), (109, 722444), (179, 439924), (218, 361222), (358, 219962), (436, 180611), (716, 109981), (1009, 78044), (2018, 39022), (4036, 19511)]