258798967

素因数分解:

$7^1\times {\mathrm{23}}^2\times {\mathrm{47}}^1\times {\mathrm{1487}}^1$

素因数の和:1587

約数の個数: 24

約数和(自身を含む): 315979776

約数和(自身を除く): 57180809

約数列:

[1, 7, 23, 47, 161, 329, 529, 1081, 1487, 3703, 7567, 10409, 24863, 34201, 69889, 174041, 239407, 489223, 786623, 1607447, 5506361, 11252129, 36971281, 258798967]

約数ペア:

[(1, 258798967), (7, 36971281), (23, 11252129), (47, 5506361), (161, 1607447), (329, 786623), (529, 489223), (1081, 239407), (1487, 174041), (3703, 69889), (7567, 34201), (10409, 24863)]