7856368989

素因数分解:

$3^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{421}}^1$

素因数の和:595

約数の個数: 96

約数和(自身を含む): 12986850816

約数和(自身を除く): 5130481827

約数列:

[1, 3, 7, 21, 37, 47, 49, 73, 111, 141, 147, 219, 259, 329, 421, 511, 777, 987, 1263, 1533, 1739, 1813, 2303, 2701, 2947, 3431, 3577, 5217, 5439, 6909, 8103, 8841, 10293, 10731, 12173, 15577, 18907, 19787, 20629, 24017, 30733, 36519, 46731, 56721, 59361, 61887, 72051, 85211, 92199, 109039, 126947, 132349, 138509, 168119, 215131, 255633, 327117, 380841, 397047, 415527, 504357, 645393, 732119, 763273, 888629, 969563, 1137121, 1444451, 1505917, 2196357, 2289819, 2665887, 2908689, 3411363, 4333353, 4517751, 5124833, 6220403, 7959847, 10111157, 15374499, 18661209, 23879541, 30333471, 35873831, 53444687, 55718929, 70778099, 107621493, 160334061, 167156787, 212334297, 374112809, 1122338427, 2618789663, 7856368989]

約数ペア:

[(1, 7856368989), (3, 2618789663), (7, 1122338427), (21, 374112809), (37, 212334297), (47, 167156787), (49, 160334061), (73, 107621493), (111, 70778099), (141, 55718929), (147, 53444687), (219, 35873831), (259, 30333471), (329, 23879541), (421, 18661209), (511, 15374499), (777, 10111157), (987, 7959847), (1263, 6220403), (1533, 5124833), (1739, 4517751), (1813, 4333353), (2303, 3411363), (2701, 2908689), (2947, 2665887), (3431, 2289819), (3577, 2196357), (5217, 1505917), (5439, 1444451), (6909, 1137121), (8103, 969563), (8841, 888629), (10293, 763273), (10731, 732119), (12173, 645393), (15577, 504357), (18907, 415527), (19787, 397047), (20629, 380841), (24017, 327117), (30733, 255633), (36519, 215131), (46731, 168119), (56721, 138509), (59361, 132349), (61887, 126947), (72051, 109039), (85211, 92199)]