68931289

素因数分解:

$7^2\times {\mathrm{29}}^1\times {\mathrm{179}}^1\times {\mathrm{271}}^1$

素因数の和:493

約数の個数: 24

約数和(自身を含む): 83721600

約数和(自身を除く): 14790311

約数列:

[1, 7, 29, 49, 179, 203, 271, 1253, 1421, 1897, 5191, 7859, 8771, 13279, 36337, 48509, 55013, 254359, 339563, 385091, 1406761, 2376941, 9847327, 68931289]

約数ペア:

[(1, 68931289), (7, 9847327), (29, 2376941), (49, 1406761), (179, 385091), (203, 339563), (271, 254359), (1253, 55013), (1421, 48509), (1897, 36337), (5191, 13279), (7859, 8771)]