38909216

素因数分解:

$2^5\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{643}}^1$

素因数の和:745

約数の個数: 48

約数和(自身を含む): 80494848

約数和(自身を除く): 41585632

約数列:

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

約数ペア:

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