164417225

素因数分解:

$5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{40849}}^1$

素因数の和:40889

約数の個数: 24

約数和(自身を含む): 243139200

約数和(自身を除く): 78721975

約数列:

[1, 5, 7, 23, 25, 35, 115, 161, 175, 575, 805, 4025, 40849, 204245, 285943, 939527, 1021225, 1429715, 4697635, 6576689, 7148575, 23488175, 32883445, 164417225]

約数ペア:

[(1, 164417225), (5, 32883445), (7, 23488175), (23, 7148575), (25, 6576689), (35, 4697635), (115, 1429715), (161, 1021225), (175, 939527), (575, 285943), (805, 204245), (4025, 40849)]