40215287

素因数分解:

$7^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{1777}}^1$

素因数の和:1898

約数の個数: 16

約数和(自身を含む): 47621952

約数和(自身を除く): 7406665

約数列:

[1, 7, 53, 61, 371, 427, 1777, 3233, 12439, 22631, 94181, 108397, 659267, 758779, 5745041, 40215287]

約数ペア:

[(1, 40215287), (7, 5745041), (53, 758779), (61, 659267), (371, 108397), (427, 94181), (1777, 22631), (3233, 12439)]