31421864

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{389}}^1\times {\mathrm{439}}^1$

素因数の和:857

約数の個数: 32

約数和(自身を含む): 61776000

約数和(自身を除く): 30354136

約数列:

[1, 2, 4, 8, 23, 46, 92, 184, 389, 439, 778, 878, 1556, 1756, 3112, 3512, 8947, 10097, 17894, 20194, 35788, 40388, 71576, 80776, 170771, 341542, 683084, 1366168, 3927733, 7855466, 15710932, 31421864]

約数ペア:

[(1, 31421864), (2, 15710932), (4, 7855466), (8, 3927733), (23, 1366168), (46, 683084), (92, 341542), (184, 170771), (389, 80776), (439, 71576), (778, 40388), (878, 35788), (1556, 20194), (1756, 17894), (3112, 10097), (3512, 8947)]