217358310

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{557329}}^1$

素因数の和:557352

約数の個数: 32

約数和(自身を含む): 561788640

約数和(自身を除く): 344430330

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 557329, 1114658, 1671987, 2786645, 3343974, 5573290, 7245277, 8359935, 14490554, 16719870, 21735831, 36226385, 43471662, 72452770, 108679155, 217358310]

約数ペア:

[(1, 217358310), (2, 108679155), (3, 72452770), (5, 43471662), (6, 36226385), (10, 21735831), (13, 16719870), (15, 14490554), (26, 8359935), (30, 7245277), (39, 5573290), (65, 3343974), (78, 2786645), (130, 1671987), (195, 1114658), (390, 557329)]