31288999

素因数分解:

$7^2\times {\mathrm{29}}^1\times {\mathrm{97}}^1\times {\mathrm{227}}^1$

素因数の和:367

約数の個数: 24

約数和(自身を含む): 38208240

約数和(自身を除く): 6919241

約数列:

[1, 7, 29, 49, 97, 203, 227, 679, 1421, 1589, 2813, 4753, 6583, 11123, 19691, 22019, 46081, 137837, 154133, 322567, 638551, 1078931, 4469857, 31288999]

約数ペア:

[(1, 31288999), (7, 4469857), (29, 1078931), (49, 638551), (97, 322567), (203, 154133), (227, 137837), (679, 46081), (1421, 22019), (1589, 19691), (2813, 11123), (4753, 6583)]