20161164995

素因数分解:

$5^1\times {\mathrm{101}}^1\times {\mathrm{211}}^1\times {\mathrm{431}}^1\times {\mathrm{439}}^1$

素因数の和:1187

約数の個数: 32

約数和(自身を含む): 24661739520

約数和(自身を除く): 4500574525

約数列:

[1, 5, 101, 211, 431, 439, 505, 1055, 2155, 2195, 21311, 43531, 44339, 90941, 92629, 106555, 189209, 217655, 221695, 454705, 463145, 946045, 9185041, 9355529, 19110109, 39923099, 45925205, 46777645, 95550545, 199615495, 4032232999, 20161164995]

約数ペア:

[(1, 20161164995), (5, 4032232999), (101, 199615495), (211, 95550545), (431, 46777645), (439, 45925205), (505, 39923099), (1055, 19110109), (2155, 9355529), (2195, 9185041), (21311, 946045), (43531, 463145), (44339, 454705), (90941, 221695), (92629, 217655), (106555, 189209)]