15721672

素因数分解:

$2^3\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{311}}^1$

素因数の和:477

約数の個数: 32

約数和(自身を含む): 30326400

約数和(自身を除く): 14604728

約数列:

[1, 2, 4, 8, 71, 89, 142, 178, 284, 311, 356, 568, 622, 712, 1244, 2488, 6319, 12638, 22081, 25276, 27679, 44162, 50552, 55358, 88324, 110716, 176648, 221432, 1965209, 3930418, 7860836, 15721672]

約数ペア:

[(1, 15721672), (2, 7860836), (4, 3930418), (8, 1965209), (71, 221432), (89, 176648), (142, 110716), (178, 88324), (284, 55358), (311, 50552), (356, 44162), (568, 27679), (622, 25276), (712, 22081), (1244, 12638), (2488, 6319)]