440348168

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{79889}}^1$

素因数の和:79961

約数の個数: 32

約数和(自身を含む): 905952600

約数和(自身を除く): 465604432

約数列:

[1, 2, 4, 8, 13, 26, 52, 53, 104, 106, 212, 424, 689, 1378, 2756, 5512, 79889, 159778, 319556, 639112, 1038557, 2077114, 4154228, 4234117, 8308456, 8468234, 16936468, 33872936, 55043521, 110087042, 220174084, 440348168]

約数ペア:

[(1, 440348168), (2, 220174084), (4, 110087042), (8, 55043521), (13, 33872936), (26, 16936468), (52, 8468234), (53, 8308456), (104, 4234117), (106, 4154228), (212, 2077114), (424, 1038557), (689, 639112), (1378, 319556), (2756, 159778), (5512, 79889)]