80870251

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{167}}^1\times {\mathrm{331}}^1$

素因数の和:535

約数の個数: 32

約数和(自身を含む): 107089920

約数和(自身を除く): 26219669

約数列:

[1, 7, 11, 19, 77, 133, 167, 209, 331, 1169, 1463, 1837, 2317, 3173, 3641, 6289, 12859, 22211, 25487, 34903, 44023, 55277, 69179, 244321, 386939, 484253, 608047, 1050263, 4256329, 7351841, 11552893, 80870251]

約数ペア:

[(1, 80870251), (7, 11552893), (11, 7351841), (19, 4256329), (77, 1050263), (133, 608047), (167, 484253), (209, 386939), (331, 244321), (1169, 69179), (1463, 55277), (1837, 44023), (2317, 34903), (3173, 25487), (3641, 22211), (6289, 12859)]