258397775

素因数分解:

$5^2\times {\mathrm{47}}^2\times {\mathrm{4679}}^1$

素因数の和:4783

約数の個数: 18

約数和(自身を含む): 327445560

約数和(自身を除く): 69047785

約数列:

[1, 5, 25, 47, 235, 1175, 2209, 4679, 11045, 23395, 55225, 116975, 219913, 1099565, 5497825, 10335911, 51679555, 258397775]

約数ペア:

[(1, 258397775), (5, 51679555), (25, 10335911), (47, 5497825), (235, 1099565), (1175, 219913), (2209, 116975), (4679, 55225), (11045, 23395)]