1320221194

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{390367}}^1$

素因数の和:390477

約数の個数: 16

約数和(自身を含む): 2107987200

約数和(自身を除く): 787766006

約数列:

[1, 2, 19, 38, 89, 178, 1691, 3382, 390367, 780734, 7416973, 14833946, 34742663, 69485326, 660110597, 1320221194]

約数ペア:

[(1, 1320221194), (2, 660110597), (19, 69485326), (38, 34742663), (89, 14833946), (178, 7416973), (1691, 780734), (3382, 390367)]