28815185

素因数分解:

$5^1\times 7^2\times {\mathrm{337}}^1\times {\mathrm{349}}^1$

素因数の和:705

約数の個数: 24

約数和(自身を含む): 40458600

約数和(自身を除く): 11643415

約数列:

[1, 5, 7, 35, 49, 245, 337, 349, 1685, 1745, 2359, 2443, 11795, 12215, 16513, 17101, 82565, 85505, 117613, 588065, 823291, 4116455, 5763037, 28815185]

約数ペア:

[(1, 28815185), (5, 5763037), (7, 4116455), (35, 823291), (49, 588065), (245, 117613), (337, 85505), (349, 82565), (1685, 17101), (1745, 16513), (2359, 12215), (2443, 11795)]