142638412

素因数分解:

$2^2\times 7^2\times {\mathrm{727747}}^1$

素因数の和:727765

約数の個数: 18

約数和(自身を含む): 290371452

約数和(自身を除く): 147733040

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 727747, 1455494, 2910988, 5094229, 10188458, 20376916, 35659603, 71319206, 142638412]

約数ペア:

[(1, 142638412), (2, 71319206), (4, 35659603), (7, 20376916), (14, 10188458), (28, 5094229), (49, 2910988), (98, 1455494), (196, 727747)]