66426451

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{373}}^1$

素因数の和:515

約数の個数: 32

約数和(自身を含む): 87127040

約数和(自身を除く): 20700589

約数列:

[1, 7, 13, 19, 91, 103, 133, 247, 373, 721, 1339, 1729, 1957, 2611, 4849, 7087, 9373, 13699, 25441, 33943, 38419, 49609, 92131, 178087, 268933, 499447, 644917, 729961, 3496129, 5109727, 9489493, 66426451]

約数ペア:

[(1, 66426451), (7, 9489493), (13, 5109727), (19, 3496129), (91, 729961), (103, 644917), (133, 499447), (247, 268933), (373, 178087), (721, 92131), (1339, 49609), (1729, 38419), (1957, 33943), (2611, 25441), (4849, 13699), (7087, 9373)]