12371821

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1$

素因数の和:193

約数の個数: 32

約数和(自身を含む): 16367616

約数和(自身を除く): 3995795

約数列:

[1, 7, 11, 31, 71, 73, 77, 217, 341, 497, 511, 781, 803, 2201, 2263, 2387, 5183, 5467, 5621, 15407, 15841, 24211, 24893, 36281, 57013, 160673, 169477, 174251, 399091, 1124711, 1767403, 12371821]

約数ペア:

[(1, 12371821), (7, 1767403), (11, 1124711), (31, 399091), (71, 174251), (73, 169477), (77, 160673), (217, 57013), (341, 36281), (497, 24893), (511, 24211), (781, 15841), (803, 15407), (2201, 5621), (2263, 5467), (2387, 5183)]