81387656

素因数分解:

$2^3\times 7^1\times {\mathrm{97}}^1\times {\mathrm{14983}}^1$

素因数の和:15093

約数の個数: 32

約数和(自身を含む): 176211840

約数和(自身を除く): 94824184

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 97, 194, 388, 679, 776, 1358, 2716, 5432, 14983, 29966, 59932, 104881, 119864, 209762, 419524, 839048, 1453351, 2906702, 5813404, 10173457, 11626808, 20346914, 40693828, 81387656]

約数ペア:

[(1, 81387656), (2, 40693828), (4, 20346914), (7, 11626808), (8, 10173457), (14, 5813404), (28, 2906702), (56, 1453351), (97, 839048), (194, 419524), (388, 209762), (679, 119864), (776, 104881), (1358, 59932), (2716, 29966), (5432, 14983)]