16865395

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{2053}}^1$

素因数の和:2142

約数の個数: 16

約数和(自身を含む): 21295872

約数和(自身を除く): 4430477

約数列:

[1, 5, 31, 53, 155, 265, 1643, 2053, 8215, 10265, 63643, 108809, 318215, 544045, 3373079, 16865395]

約数ペア:

[(1, 16865395), (5, 3373079), (31, 544045), (53, 318215), (155, 108809), (265, 63643), (1643, 10265), (2053, 8215)]