221670512

素因数分解:

$2^4\times 7^2\times {\mathrm{337}}^1\times {\mathrm{839}}^1$

素因数の和:1198

約数の個数: 60

約数和(自身を含む): 501686640

約数和(自身を除く): 280016128

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 196, 337, 392, 674, 784, 839, 1348, 1678, 2359, 2696, 3356, 4718, 5392, 5873, 6712, 9436, 11746, 13424, 16513, 18872, 23492, 33026, 37744, 41111, 46984, 66052, 82222, 93968, 132104, 164444, 264208, 282743, 328888, 565486, 657776, 1130972, 1979201, 2261944, 3958402, 4523888, 7916804, 13854407, 15833608, 27708814, 31667216, 55417628, 110835256, 221670512]

約数ペア:

[(1, 221670512), (2, 110835256), (4, 55417628), (7, 31667216), (8, 27708814), (14, 15833608), (16, 13854407), (28, 7916804), (49, 4523888), (56, 3958402), (98, 2261944), (112, 1979201), (196, 1130972), (337, 657776), (392, 565486), (674, 328888), (784, 282743), (839, 264208), (1348, 164444), (1678, 132104), (2359, 93968), (2696, 82222), (3356, 66052), (4718, 46984), (5392, 41111), (5873, 37744), (6712, 33026), (9436, 23492), (11746, 18872), (13424, 16513)]