81164072

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{389}}^1\times {\mathrm{2371}}^1$

素因数の和:2777

約数の個数: 32

約数和(自身を含む): 166514400

約数和(自身を除く): 85350328

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 389, 778, 1556, 2371, 3112, 4279, 4742, 8558, 9484, 17116, 18968, 26081, 34232, 52162, 104324, 208648, 922319, 1844638, 3689276, 7378552, 10145509, 20291018, 40582036, 81164072]

約数ペア:

[(1, 81164072), (2, 40582036), (4, 20291018), (8, 10145509), (11, 7378552), (22, 3689276), (44, 1844638), (88, 922319), (389, 208648), (778, 104324), (1556, 52162), (2371, 34232), (3112, 26081), (4279, 18968), (4742, 17116), (8558, 9484)]