1115678081

素因数分解:

$7^1\times {\mathrm{19}}^4\times {\mathrm{1223}}^1$

素因数の和:1306

約数の個数: 20

約数和(自身を含む): 1346997312

約数和(自身を除く): 231319231

約数列:

[1, 7, 19, 133, 361, 1223, 2527, 6859, 8561, 23237, 48013, 130321, 162659, 441503, 912247, 3090521, 8388557, 58719899, 159382583, 1115678081]

約数ペア:

[(1, 1115678081), (7, 159382583), (19, 58719899), (133, 8388557), (361, 3090521), (1223, 912247), (2527, 441503), (6859, 162659), (8561, 130321), (23237, 48013)]