2108804509

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{217201}}^1$

素因数の和:217300

約数の個数: 16

約数和(自身を含む): 2571671680

約数和(自身を除く): 462867171

約数列:

[1, 7, 19, 73, 133, 511, 1387, 9709, 217201, 1520407, 4126819, 15855673, 28887733, 110989711, 301257787, 2108804509]

約数ペア:

[(1, 2108804509), (7, 301257787), (19, 110989711), (73, 28887733), (133, 15855673), (511, 4126819), (1387, 1520407), (9709, 217201)]