289690888

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{16231}}^1$

素因数の和:16357

約数の個数: 32

約数和(自身を含む): 572664960

約数和(自身を除く): 282974072

約数列:

[1, 2, 4, 8, 23, 46, 92, 97, 184, 194, 388, 776, 2231, 4462, 8924, 16231, 17848, 32462, 64924, 129848, 373313, 746626, 1493252, 1574407, 2986504, 3148814, 6297628, 12595256, 36211361, 72422722, 144845444, 289690888]

約数ペア:

[(1, 289690888), (2, 144845444), (4, 72422722), (8, 36211361), (23, 12595256), (46, 6297628), (92, 3148814), (97, 2986504), (184, 1574407), (194, 1493252), (388, 746626), (776, 373313), (2231, 129848), (4462, 64924), (8924, 32462), (16231, 17848)]