72117688

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{219871}}^1$

素因数の和:219918

約数の個数: 16

約数和(自身を含む): 138519360

約数和(自身を除く): 66401672

約数列:

[1, 2, 4, 8, 41, 82, 164, 328, 219871, 439742, 879484, 1758968, 9014711, 18029422, 36058844, 72117688]

約数ペア:

[(1, 72117688), (2, 36058844), (4, 18029422), (8, 9014711), (41, 1758968), (82, 879484), (164, 439742), (328, 219871)]