81062968

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{1621}}^1$

素因数の和:1700

約数の個数: 64

約数和(自身を含む): 186854400

約数和(自身を除く): 105791432

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 47, 56, 76, 94, 133, 152, 188, 266, 329, 376, 532, 658, 893, 1064, 1316, 1621, 1786, 2632, 3242, 3572, 6251, 6484, 7144, 11347, 12502, 12968, 22694, 25004, 30799, 45388, 50008, 61598, 76187, 90776, 123196, 152374, 215593, 246392, 304748, 431186, 533309, 609496, 862372, 1066618, 1447553, 1724744, 2133236, 2895106, 4266472, 5790212, 10132871, 11580424, 20265742, 40531484, 81062968]

約数ペア:

[(1, 81062968), (2, 40531484), (4, 20265742), (7, 11580424), (8, 10132871), (14, 5790212), (19, 4266472), (28, 2895106), (38, 2133236), (47, 1724744), (56, 1447553), (76, 1066618), (94, 862372), (133, 609496), (152, 533309), (188, 431186), (266, 304748), (329, 246392), (376, 215593), (532, 152374), (658, 123196), (893, 90776), (1064, 76187), (1316, 61598), (1621, 50008), (1786, 45388), (2632, 30799), (3242, 25004), (3572, 22694), (6251, 12968), (6484, 12502), (7144, 11347)]