257257008

素因数分解:

$2^4\times 3^2\times {\mathrm{61}}^1\times {\mathrm{29287}}^1$

素因数の和:29362

約数の個数: 60

約数和(自身を含む): 731789968

約数和(自身を除く): 474532960

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 61, 72, 122, 144, 183, 244, 366, 488, 549, 732, 976, 1098, 1464, 2196, 2928, 4392, 8784, 29287, 58574, 87861, 117148, 175722, 234296, 263583, 351444, 468592, 527166, 702888, 1054332, 1405776, 1786507, 2108664, 3573014, 4217328, 5359521, 7146028, 10719042, 14292056, 16078563, 21438084, 28584112, 32157126, 42876168, 64314252, 85752336, 128628504, 257257008]

約数ペア:

[(1, 257257008), (2, 128628504), (3, 85752336), (4, 64314252), (6, 42876168), (8, 32157126), (9, 28584112), (12, 21438084), (16, 16078563), (18, 14292056), (24, 10719042), (36, 7146028), (48, 5359521), (61, 4217328), (72, 3573014), (122, 2108664), (144, 1786507), (183, 1405776), (244, 1054332), (366, 702888), (488, 527166), (549, 468592), (732, 351444), (976, 263583), (1098, 234296), (1464, 175722), (2196, 117148), (2928, 87861), (4392, 58574), (8784, 29287)]