1208156719

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{181}}^1\times {\mathrm{3769}}^1$

素因数の和:3991

約数の個数: 32

約数和(自身を含む): 1580866560

約数和(自身を除く): 372709841

約数列:

[1, 7, 11, 23, 77, 161, 181, 253, 1267, 1771, 1991, 3769, 4163, 13937, 26383, 29141, 41459, 45793, 86687, 290213, 320551, 606809, 682189, 953557, 4775323, 6674899, 7504079, 15690347, 52528553, 109832429, 172593817, 1208156719]

約数ペア:

[(1, 1208156719), (7, 172593817), (11, 109832429), (23, 52528553), (77, 15690347), (161, 7504079), (181, 6674899), (253, 4775323), (1267, 953557), (1771, 682189), (1991, 606809), (3769, 320551), (4163, 290213), (13937, 86687), (26383, 45793), (29141, 41459)]