157215718

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{1979}}^1$

素因数の和:2172

約数の個数: 32

約数和(自身を含む): 270293760

約数和(自身を除く): 113078042

約数列:

[1, 2, 11, 22, 23, 46, 157, 253, 314, 506, 1727, 1979, 3454, 3611, 3958, 7222, 21769, 39721, 43538, 45517, 79442, 91034, 310703, 500687, 621406, 1001374, 3417733, 6835466, 7146169, 14292338, 78607859, 157215718]

約数ペア:

[(1, 157215718), (2, 78607859), (11, 14292338), (22, 7146169), (23, 6835466), (46, 3417733), (157, 1001374), (253, 621406), (314, 500687), (506, 310703), (1727, 91034), (1979, 79442), (3454, 45517), (3611, 43538), (3958, 39721), (7222, 21769)]