11945395

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1$

素因数の和:136

約数の個数: 64

約数和(自身を含む): 19906560

約数和(自身を除く): 7961165

約数列:

[1, 5, 7, 11, 19, 23, 35, 55, 71, 77, 95, 115, 133, 161, 209, 253, 355, 385, 437, 497, 665, 781, 805, 1045, 1265, 1349, 1463, 1633, 1771, 2185, 2485, 3059, 3905, 4807, 5467, 6745, 7315, 8165, 8855, 9443, 11431, 14839, 15295, 17963, 24035, 27335, 31027, 33649, 47215, 57155, 74195, 89815, 103873, 125741, 155135, 168245, 217189, 341297, 519365, 628705, 1085945, 1706485, 2389079, 11945395]

約数ペア:

[(1, 11945395), (5, 2389079), (7, 1706485), (11, 1085945), (19, 628705), (23, 519365), (35, 341297), (55, 217189), (71, 168245), (77, 155135), (95, 125741), (115, 103873), (133, 89815), (161, 74195), (209, 57155), (253, 47215), (355, 33649), (385, 31027), (437, 27335), (497, 24035), (665, 17963), (781, 15295), (805, 14839), (1045, 11431), (1265, 9443), (1349, 8855), (1463, 8165), (1633, 7315), (1771, 6745), (2185, 5467), (2485, 4807), (3059, 3905)]