258219995

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{35839}}^1$

素因数の和:35986

約数の個数: 16

約数和(自身を含む): 340623360

約数和(自身を除く): 82403365

約数列:

[1, 5, 11, 55, 131, 655, 1441, 7205, 35839, 179195, 394229, 1971145, 4694909, 23474545, 51643999, 258219995]

約数ペア:

[(1, 258219995), (5, 51643999), (11, 23474545), (55, 4694909), (131, 1971145), (655, 394229), (1441, 179195), (7205, 35839)]