1557630158

素因数分解:

$2^1\times 7^1\times {\mathrm{15901}}^1\times {\mathrm{6997}}^1$

素因数の和:22907

約数の個数: 16

約数和(自身を含む): 2670772704

約数和(自身を除く): 1113142546

約数列:

[1, 2, 7, 14, 6997, 13994, 15901, 31802, 48979, 97958, 111307, 222614, 111259297, 222518594, 778815079, 1557630158]

約数ペア:

[(1, 1557630158), (2, 778815079), (7, 222518594), (14, 111259297), (6997, 222614), (13994, 111307), (15901, 97958), (31802, 48979)]