157222681

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{179}}^1$

素因数の和:286

約数の個数: 48

約数和(自身を含む): 213736320

約数和(自身を除く): 56513639

約数列:

[1, 7, 11, 17, 61, 77, 119, 121, 179, 187, 427, 671, 847, 1037, 1253, 1309, 1969, 2057, 3043, 4697, 7259, 7381, 10919, 11407, 13783, 14399, 21301, 21659, 33473, 51667, 76433, 79849, 120109, 125477, 151613, 185623, 234311, 368203, 840763, 878339, 1299361, 1321199, 2041853, 2577421, 9248393, 14292971, 22460383, 157222681]

約数ペア:

[(1, 157222681), (7, 22460383), (11, 14292971), (17, 9248393), (61, 2577421), (77, 2041853), (119, 1321199), (121, 1299361), (179, 878339), (187, 840763), (427, 368203), (671, 234311), (847, 185623), (1037, 151613), (1253, 125477), (1309, 120109), (1969, 79849), (2057, 76433), (3043, 51667), (4697, 33473), (7259, 21659), (7381, 21301), (10919, 14399), (11407, 13783)]