208149095

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{103}}^1\times {\mathrm{181}}^1$

素因数の和:336

約数の個数: 64

約数和(自身を含む): 327075840

約数和(自身を除く): 118926745

約数列:

[1, 5, 7, 11, 29, 35, 55, 77, 103, 145, 181, 203, 319, 385, 515, 721, 905, 1015, 1133, 1267, 1595, 1991, 2233, 2987, 3605, 5249, 5665, 6335, 7931, 9955, 11165, 13937, 14935, 18643, 20909, 26245, 32857, 36743, 39655, 57739, 69685, 93215, 104545, 130501, 164285, 183715, 205073, 229999, 288695, 404173, 540647, 652505, 1025365, 1149995, 1435511, 2020865, 2703235, 3784529, 5947117, 7177555, 18922645, 29735585, 41629819, 208149095]

約数ペア:

[(1, 208149095), (5, 41629819), (7, 29735585), (11, 18922645), (29, 7177555), (35, 5947117), (55, 3784529), (77, 2703235), (103, 2020865), (145, 1435511), (181, 1149995), (203, 1025365), (319, 652505), (385, 540647), (515, 404173), (721, 288695), (905, 229999), (1015, 205073), (1133, 183715), (1267, 164285), (1595, 130501), (1991, 104545), (2233, 93215), (2987, 69685), (3605, 57739), (5249, 39655), (5665, 36743), (6335, 32857), (7931, 26245), (9955, 20909), (11165, 18643), (13937, 14935)]