163977605

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{139}}^1\times {\mathrm{241}}^1$

素因数の和:485

約数の個数: 32

約数和(自身を含む): 219542400

約数和(自身を除く): 55564795

約数列:

[1, 5, 11, 55, 89, 139, 241, 445, 695, 979, 1205, 1529, 2651, 4895, 7645, 12371, 13255, 21449, 33499, 61855, 107245, 136081, 167495, 235939, 368489, 680405, 1179695, 1842445, 2981411, 14907055, 32795521, 163977605]

約数ペア:

[(1, 163977605), (5, 32795521), (11, 14907055), (55, 2981411), (89, 1842445), (139, 1179695), (241, 680405), (445, 368489), (695, 235939), (979, 167495), (1205, 136081), (1529, 107245), (2651, 61855), (4895, 33499), (7645, 21449), (12371, 13255)]