646229298

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^2\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{229}}^1$

素因数の和:305

約数の個数: 144

約数和(自身を含む): 1612215360

約数和(自身を除く): 965986062

約数列:

[1, 2, 3, 6, 11, 13, 22, 23, 26, 33, 39, 46, 66, 69, 78, 121, 138, 143, 169, 229, 242, 253, 286, 299, 338, 363, 429, 458, 506, 507, 598, 687, 726, 759, 858, 897, 1014, 1374, 1518, 1573, 1794, 1859, 2519, 2783, 2977, 3146, 3289, 3718, 3887, 4719, 5038, 5267, 5566, 5577, 5954, 6578, 7557, 7774, 8349, 8931, 9438, 9867, 10534, 11154, 11661, 15114, 15801, 16698, 17862, 19734, 20449, 23322, 27709, 31602, 32747, 36179, 38701, 40898, 42757, 55418, 57937, 61347, 65494, 68471, 72358, 77402, 83127, 85514, 98241, 108537, 115874, 116103, 122694, 128271, 136942, 166254, 173811, 196482, 205413, 217074, 232206, 256542, 347622, 360217, 410826, 425711, 470327, 637307, 720434, 753181, 851422, 890123, 940654, 1080651, 1274614, 1277133, 1410981, 1506362, 1780246, 1911921, 2161302, 2259543, 2554266, 2670369, 2821962, 3823842, 4519086, 4682821, 5340738, 8284991, 9365642, 9791353, 14048463, 16569982, 19582706, 24854973, 28096926, 29374059, 49709946, 58748118, 107704883, 215409766, 323114649, 646229298]

約数ペア:

[(1, 646229298), (2, 323114649), (3, 215409766), (6, 107704883), (11, 58748118), (13, 49709946), (22, 29374059), (23, 28096926), (26, 24854973), (33, 19582706), (39, 16569982), (46, 14048463), (66, 9791353), (69, 9365642), (78, 8284991), (121, 5340738), (138, 4682821), (143, 4519086), (169, 3823842), (229, 2821962), (242, 2670369), (253, 2554266), (286, 2259543), (299, 2161302), (338, 1911921), (363, 1780246), (429, 1506362), (458, 1410981), (506, 1277133), (507, 1274614), (598, 1080651), (687, 940654), (726, 890123), (759, 851422), (858, 753181), (897, 720434), (1014, 637307), (1374, 470327), (1518, 425711), (1573, 410826), (1794, 360217), (1859, 347622), (2519, 256542), (2783, 232206), (2977, 217074), (3146, 205413), (3289, 196482), (3718, 173811), (3887, 166254), (4719, 136942), (5038, 128271), (5267, 122694), (5566, 116103), (5577, 115874), (5954, 108537), (6578, 98241), (7557, 85514), (7774, 83127), (8349, 77402), (8931, 72358), (9438, 68471), (9867, 65494), (10534, 61347), (11154, 57937), (11661, 55418), (15114, 42757), (15801, 40898), (16698, 38701), (17862, 36179), (19734, 32747), (20449, 31602), (23322, 27709)]