128901377

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{211}}^1$

素因数の和:357

約数の個数: 32

約数和(自身を含む): 154675200

約数和(自身を除く): 25773823

約数列:

[1, 11, 19, 37, 79, 209, 211, 407, 703, 869, 1501, 2321, 2923, 4009, 7733, 7807, 16511, 16669, 32153, 44099, 55537, 85877, 148333, 183359, 316711, 610907, 616753, 1631663, 3483821, 6784283, 11718307, 128901377]

約数ペア:

[(1, 128901377), (11, 11718307), (19, 6784283), (37, 3483821), (79, 1631663), (209, 616753), (211, 610907), (407, 316711), (703, 183359), (869, 148333), (1501, 85877), (2321, 55537), (2923, 44099), (4009, 32153), (7733, 16669), (7807, 16511)]