81307592

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{247889}}^1$

素因数の和:247936

約数の個数: 16

約数和(自身を含む): 156170700

約数和(自身を除く): 74863108

約数列:

[1, 2, 4, 8, 41, 82, 164, 328, 247889, 495778, 991556, 1983112, 10163449, 20326898, 40653796, 81307592]

約数ペア:

[(1, 81307592), (2, 40653796), (4, 20326898), (8, 10163449), (41, 1983112), (82, 991556), (164, 495778), (328, 247889)]