211715636

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{227}}^1$

素因数の和:341

約数の個数: 72

約数和(自身を含む): 427932288

約数和(自身を除く): 216216652

約数列:

[1, 2, 4, 11, 22, 41, 44, 47, 82, 94, 121, 164, 188, 227, 242, 451, 454, 484, 517, 902, 908, 1034, 1804, 1927, 2068, 2497, 3854, 4961, 4994, 5687, 7708, 9307, 9922, 9988, 10669, 11374, 18614, 19844, 21197, 21338, 22748, 27467, 37228, 42394, 42676, 54934, 84788, 102377, 109868, 117359, 204754, 233167, 234718, 409508, 437429, 466334, 469436, 874858, 932668, 1126147, 1290949, 1749716, 2252294, 2581898, 4504588, 4811719, 5163796, 9623438, 19246876, 52928909, 105857818, 211715636]

約数ペア:

[(1, 211715636), (2, 105857818), (4, 52928909), (11, 19246876), (22, 9623438), (41, 5163796), (44, 4811719), (47, 4504588), (82, 2581898), (94, 2252294), (121, 1749716), (164, 1290949), (188, 1126147), (227, 932668), (242, 874858), (451, 469436), (454, 466334), (484, 437429), (517, 409508), (902, 234718), (908, 233167), (1034, 204754), (1804, 117359), (1927, 109868), (2068, 102377), (2497, 84788), (3854, 54934), (4961, 42676), (4994, 42394), (5687, 37228), (7708, 27467), (9307, 22748), (9922, 21338), (9988, 21197), (10669, 19844), (11374, 18614)]