51713915

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1$

素因数の和:164

約数の個数: 64

約数和(自身を含む): 78382080

約数和(自身を除く): 26668165

約数列:

[1, 5, 11, 17, 19, 41, 55, 71, 85, 95, 187, 205, 209, 323, 355, 451, 697, 779, 781, 935, 1045, 1207, 1349, 1615, 2255, 2911, 3485, 3553, 3895, 3905, 6035, 6745, 7667, 8569, 13243, 13277, 14555, 14839, 17765, 22933, 32021, 38335, 42845, 49487, 55309, 66215, 66385, 74195, 114665, 145673, 160105, 247435, 252263, 276545, 544357, 608399, 728365, 940253, 1261315, 2721785, 3041995, 4701265, 10342783, 51713915]

約数ペア:

[(1, 51713915), (5, 10342783), (11, 4701265), (17, 3041995), (19, 2721785), (41, 1261315), (55, 940253), (71, 728365), (85, 608399), (95, 544357), (187, 276545), (205, 252263), (209, 247435), (323, 160105), (355, 145673), (451, 114665), (697, 74195), (779, 66385), (781, 66215), (935, 55309), (1045, 49487), (1207, 42845), (1349, 38335), (1615, 32021), (2255, 22933), (2911, 17765), (3485, 14839), (3553, 14555), (3895, 13277), (3905, 13243), (6035, 8569), (6745, 7667)]