81189746

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{179}}^1\times {\mathrm{389}}^1$

素因数の和:634

約数の個数: 32

約数和(自身を含む): 136468800

約数和(自身を除く): 55279054

約数列:

[1, 2, 11, 22, 53, 106, 179, 358, 389, 583, 778, 1166, 1969, 3938, 4279, 8558, 9487, 18974, 20617, 41234, 69631, 104357, 139262, 208714, 226787, 453574, 765941, 1531882, 3690443, 7380886, 40594873, 81189746]

約数ペア:

[(1, 81189746), (2, 40594873), (11, 7380886), (22, 3690443), (53, 1531882), (106, 765941), (179, 453574), (358, 226787), (389, 208714), (583, 139262), (778, 104357), (1166, 69631), (1969, 41234), (3938, 20617), (4279, 18974), (8558, 9487)]