165721916

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{139}}^1\times {\mathrm{197}}^1$

素因数の和:446

約数の個数: 48

約数和(自身を含む): 314344800

約数和(自身を除く): 148622884

約数列:

[1, 2, 4, 17, 34, 68, 89, 139, 178, 197, 278, 356, 394, 556, 788, 1513, 2363, 3026, 3349, 4726, 6052, 6698, 9452, 12371, 13396, 17533, 24742, 27383, 35066, 49484, 54766, 70132, 109532, 210307, 298061, 420614, 465511, 596122, 841228, 931022, 1192244, 1862044, 2437087, 4874174, 9748348, 41430479, 82860958, 165721916]

約数ペア:

[(1, 165721916), (2, 82860958), (4, 41430479), (17, 9748348), (34, 4874174), (68, 2437087), (89, 1862044), (139, 1192244), (178, 931022), (197, 841228), (278, 596122), (356, 465511), (394, 420614), (556, 298061), (788, 210307), (1513, 109532), (2363, 70132), (3026, 54766), (3349, 49484), (4726, 35066), (6052, 27383), (6698, 24742), (9452, 17533), (12371, 13396)]