80915905

素因数分解:

$5^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{7027}}^1$

素因数の和:7093

約数の個数: 24

約数和(自身を含む): 115371648

約数和(自身を除く): 34455743

約数列:

[1, 5, 7, 35, 47, 49, 235, 245, 329, 1645, 2303, 7027, 11515, 35135, 49189, 245945, 330269, 344323, 1651345, 1721615, 2311883, 11559415, 16183181, 80915905]

約数ペア:

[(1, 80915905), (5, 16183181), (7, 11559415), (35, 2311883), (47, 1721615), (49, 1651345), (235, 344323), (245, 330269), (329, 245945), (1645, 49189), (2303, 35135), (7027, 11515)]