164434175

素因数分解:

$5^2\times {\mathrm{89}}^1\times {\mathrm{263}}^1\times {\mathrm{281}}^1$

素因数の和:643

約数の個数: 24

約数和(自身を含む): 207709920

約数和(自身を除く): 43275745

約数列:

[1, 5, 25, 89, 263, 281, 445, 1315, 1405, 2225, 6575, 7025, 23407, 25009, 73903, 117035, 125045, 369515, 585175, 625225, 1847575, 6577367, 32886835, 164434175]

約数ペア:

[(1, 164434175), (5, 32886835), (25, 6577367), (89, 1847575), (263, 625225), (281, 585175), (445, 369515), (1315, 125045), (1405, 117035), (2225, 73903), (6575, 25009), (7025, 23407)]