199967455

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{15991}}^1$

素因数の和:16098

約数の個数: 16

約数和(自身を含む): 249859008

約数和(自身を除く): 49891553

約数列:

[1, 5, 41, 61, 205, 305, 2501, 12505, 15991, 79955, 655631, 975451, 3278155, 4877255, 39993491, 199967455]

約数ペア:

[(1, 199967455), (5, 39993491), (41, 4877255), (61, 3278155), (205, 975451), (305, 655631), (2501, 79955), (12505, 15991)]