72178456

素因数分解:

$2^3\times 7^1\times {\mathrm{181}}^1\times {\mathrm{7121}}^1$

素因数の和:7315

約数の個数: 32

約数和(自身を含む): 155544480

約数和(自身を除く): 83366024

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 181, 362, 724, 1267, 1448, 2534, 5068, 7121, 10136, 14242, 28484, 49847, 56968, 99694, 199388, 398776, 1288901, 2577802, 5155604, 9022307, 10311208, 18044614, 36089228, 72178456]

約数ペア:

[(1, 72178456), (2, 36089228), (4, 18044614), (7, 10311208), (8, 9022307), (14, 5155604), (28, 2577802), (56, 1288901), (181, 398776), (362, 199388), (724, 99694), (1267, 56968), (1448, 49847), (2534, 28484), (5068, 14242), (7121, 10136)]