181661984

素因数分解:

$2^5\times 7^1\times {\mathrm{31}}^1\times {\mathrm{26161}}^1$

素因数の和:26209

約数の個数: 48

約数和(自身を含む): 421940736

約数和(自身を除く): 240278752

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 56, 62, 112, 124, 217, 224, 248, 434, 496, 868, 992, 1736, 3472, 6944, 26161, 52322, 104644, 183127, 209288, 366254, 418576, 732508, 810991, 837152, 1465016, 1621982, 2930032, 3243964, 5676937, 5860064, 6487928, 11353874, 12975856, 22707748, 25951712, 45415496, 90830992, 181661984]

約数ペア:

[(1, 181661984), (2, 90830992), (4, 45415496), (7, 25951712), (8, 22707748), (14, 12975856), (16, 11353874), (28, 6487928), (31, 5860064), (32, 5676937), (56, 3243964), (62, 2930032), (112, 1621982), (124, 1465016), (217, 837152), (224, 810991), (248, 732508), (434, 418576), (496, 366254), (868, 209288), (992, 183127), (1736, 104644), (3472, 52322), (6944, 26161)]