77818432

素因数分解:

$2^6\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{643}}^1$

素因数の和:747

約数の個数: 56

約数和(自身を含む): 162267392

約数和(自身を除く): 84448960

約数列:

[1, 2, 4, 8, 16, 31, 32, 61, 62, 64, 122, 124, 244, 248, 488, 496, 643, 976, 992, 1286, 1891, 1952, 1984, 2572, 3782, 3904, 5144, 7564, 10288, 15128, 19933, 20576, 30256, 39223, 39866, 41152, 60512, 78446, 79732, 121024, 156892, 159464, 313784, 318928, 627568, 637856, 1215913, 1255136, 1275712, 2431826, 2510272, 4863652, 9727304, 19454608, 38909216, 77818432]

約数ペア:

[(1, 77818432), (2, 38909216), (4, 19454608), (8, 9727304), (16, 4863652), (31, 2510272), (32, 2431826), (61, 1275712), (62, 1255136), (64, 1215913), (122, 637856), (124, 627568), (244, 318928), (248, 313784), (488, 159464), (496, 156892), (643, 121024), (976, 79732), (992, 78446), (1286, 60512), (1891, 41152), (1952, 39866), (1984, 39223), (2572, 30256), (3782, 20576), (3904, 19933), (5144, 15128), (7564, 10288)]