1286908

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1$

素因数の和:130

約数の個数: 48

約数和(自身を含む): 2822400

約数和(自身を除く): 1535492

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 41, 59, 76, 82, 118, 133, 164, 236, 266, 287, 413, 532, 574, 779, 826, 1121, 1148, 1558, 1652, 2242, 2419, 3116, 4484, 4838, 5453, 7847, 9676, 10906, 15694, 16933, 21812, 31388, 33866, 45961, 67732, 91922, 183844, 321727, 643454, 1286908]

約数ペア:

[(1, 1286908), (2, 643454), (4, 321727), (7, 183844), (14, 91922), (19, 67732), (28, 45961), (38, 33866), (41, 31388), (59, 21812), (76, 16933), (82, 15694), (118, 10906), (133, 9676), (164, 7847), (236, 5453), (266, 4838), (287, 4484), (413, 3116), (532, 2419), (574, 2242), (779, 1652), (826, 1558), (1121, 1148)]