808218257

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{331}}^1\times {\mathrm{1669}}^1$

素因数の和:2037

約数の個数: 32

約数和(自身を含む): 1064524800

約数和(自身を除く): 256306543

約数列:

[1, 7, 11, 19, 77, 133, 209, 331, 1463, 1669, 2317, 3641, 6289, 11683, 18359, 25487, 31711, 44023, 69179, 128513, 221977, 348821, 484253, 552439, 2441747, 3867073, 6076829, 10496341, 42537803, 73474387, 115459751, 808218257]

約数ペア:

[(1, 808218257), (7, 115459751), (11, 73474387), (19, 42537803), (77, 10496341), (133, 6076829), (209, 3867073), (331, 2441747), (1463, 552439), (1669, 484253), (2317, 348821), (3641, 221977), (6289, 128513), (11683, 69179), (18359, 44023), (25487, 31711)]