26720458

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1\times {\mathrm{1979}}^1$

素因数の和:2181

約数の個数: 16

約数和(自身を含む): 41294880

約数和(自身を除く): 14574422

約数列:

[1, 2, 43, 86, 157, 314, 1979, 3958, 6751, 13502, 85097, 170194, 310703, 621406, 13360229, 26720458]

約数ペア:

[(1, 26720458), (2, 13360229), (43, 621406), (86, 310703), (157, 170194), (314, 85097), (1979, 13502), (3958, 6751)]