78839238723

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{71}}^2\times {\mathrm{2063}}^1$

素因数の和:2253

約数の個数: 72

約数和(自身を含む): 128665004544

約数和(自身を除く): 49825765821

約数列:

[1, 3, 7, 19, 21, 57, 71, 133, 213, 361, 399, 497, 1083, 1349, 1491, 2063, 2527, 4047, 5041, 6189, 7581, 9443, 14441, 15123, 25631, 28329, 35287, 39197, 43323, 76893, 95779, 105861, 117591, 146473, 179417, 274379, 287337, 439419, 538251, 670453, 744743, 823137, 1025311, 1819801, 2011359, 2234229, 2782987, 3075933, 5213201, 5459403, 8348961, 10399583, 12738607, 15639603, 19480909, 31198749, 38215821, 52876753, 58442727, 72797081, 158630259, 197592077, 218391243, 370137271, 592776231, 1110411813, 1383144539, 3754249463, 4149433617, 11262748389, 26279746241, 78839238723]

約数ペア:

[(1, 78839238723), (3, 26279746241), (7, 11262748389), (19, 4149433617), (21, 3754249463), (57, 1383144539), (71, 1110411813), (133, 592776231), (213, 370137271), (361, 218391243), (399, 197592077), (497, 158630259), (1083, 72797081), (1349, 58442727), (1491, 52876753), (2063, 38215821), (2527, 31198749), (4047, 19480909), (5041, 15639603), (6189, 12738607), (7581, 10399583), (9443, 8348961), (14441, 5459403), (15123, 5213201), (25631, 3075933), (28329, 2782987), (35287, 2234229), (39197, 2011359), (43323, 1819801), (76893, 1025311), (95779, 823137), (105861, 744743), (117591, 670453), (146473, 538251), (179417, 439419), (274379, 287337)]