71553671

素因数分解:

$7^2\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{647}}^1$

素因数の和:759

約数の個数: 24

約数和(自身を含む): 87021216

約数和(自身を除く): 15467545

約数列:

[1, 7, 37, 49, 61, 259, 427, 647, 1813, 2257, 2989, 4529, 15799, 23939, 31703, 39467, 110593, 167573, 276269, 1173011, 1460279, 1933883, 10221953, 71553671]

約数ペア:

[(1, 71553671), (7, 10221953), (37, 1933883), (49, 1460279), (61, 1173011), (259, 276269), (427, 167573), (647, 110593), (1813, 39467), (2257, 31703), (2989, 23939), (4529, 15799)]