81323788

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{7207}}^1$

素因数の和:7262

約数の個数: 48

約数和(自身を含む): 180834304

約数和(自身を除く): 99510516

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 31, 52, 62, 91, 124, 182, 217, 364, 403, 434, 806, 868, 1612, 2821, 5642, 7207, 11284, 14414, 28828, 50449, 93691, 100898, 187382, 201796, 223417, 374764, 446834, 655837, 893668, 1311674, 1563919, 2623348, 2904421, 3127838, 5808842, 6255676, 11617684, 20330947, 40661894, 81323788]

約数ペア:

[(1, 81323788), (2, 40661894), (4, 20330947), (7, 11617684), (13, 6255676), (14, 5808842), (26, 3127838), (28, 2904421), (31, 2623348), (52, 1563919), (62, 1311674), (91, 893668), (124, 655837), (182, 446834), (217, 374764), (364, 223417), (403, 201796), (434, 187382), (806, 100898), (868, 93691), (1612, 50449), (2821, 28828), (5642, 14414), (7207, 11284)]