81939964

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{9949}}^1$

素因数の和:10053

約数の個数: 24

約数和(自身を含む): 150444000

約数和(自身を除く): 68504036

約数列:

[1, 2, 4, 29, 58, 71, 116, 142, 284, 2059, 4118, 8236, 9949, 19898, 39796, 288521, 577042, 706379, 1154084, 1412758, 2825516, 20484991, 40969982, 81939964]

約数ペア:

[(1, 81939964), (2, 40969982), (4, 20484991), (29, 2825516), (58, 1412758), (71, 1154084), (116, 706379), (142, 577042), (284, 288521), (2059, 39796), (4118, 19898), (8236, 9949)]