660489414

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{521}}^1\times {\mathrm{16253}}^1$

素因数の和:16792

約数の個数: 32

約数和(自身を含む): 1425410784

約数和(自身を除く): 764921370

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 521, 1042, 1563, 3126, 6773, 13546, 16253, 20319, 32506, 40638, 48759, 97518, 211289, 422578, 633867, 1267734, 8467813, 16935626, 25403439, 50806878, 110081569, 220163138, 330244707, 660489414]

約数ペア:

[(1, 660489414), (2, 330244707), (3, 220163138), (6, 110081569), (13, 50806878), (26, 25403439), (39, 16935626), (78, 8467813), (521, 1267734), (1042, 633867), (1563, 422578), (3126, 211289), (6773, 97518), (13546, 48759), (16253, 40638), (20319, 32506)]