8212218

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{251}}^1$

素因数の和:323

約数の個数: 64

約数和(自身を含む): 20321280

約数和(自身を除く): 12109062

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 38, 41, 42, 57, 82, 114, 123, 133, 246, 251, 266, 287, 399, 502, 574, 753, 779, 798, 861, 1506, 1558, 1722, 1757, 2337, 3514, 4674, 4769, 5271, 5453, 9538, 10291, 10542, 10906, 14307, 16359, 20582, 28614, 30873, 32718, 33383, 61746, 66766, 72037, 100149, 144074, 195529, 200298, 216111, 391058, 432222, 586587, 1173174, 1368703, 2737406, 4106109, 8212218]

約数ペア:

[(1, 8212218), (2, 4106109), (3, 2737406), (6, 1368703), (7, 1173174), (14, 586587), (19, 432222), (21, 391058), (38, 216111), (41, 200298), (42, 195529), (57, 144074), (82, 100149), (114, 72037), (123, 66766), (133, 61746), (246, 33383), (251, 32718), (266, 30873), (287, 28614), (399, 20582), (502, 16359), (574, 14307), (753, 10906), (779, 10542), (798, 10291), (861, 9538), (1506, 5453), (1558, 5271), (1722, 4769), (1757, 4674), (2337, 3514)]