243947730

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{625507}}^1$

素因数の和:625530

約数の個数: 32

約数和(自身を含む): 630512064

約数和(自身を除く): 386564334

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 625507, 1251014, 1876521, 3127535, 3753042, 6255070, 8131591, 9382605, 16263182, 18765210, 24394773, 40657955, 48789546, 81315910, 121973865, 243947730]

約数ペア:

[(1, 243947730), (2, 121973865), (3, 81315910), (5, 48789546), (6, 40657955), (10, 24394773), (13, 18765210), (15, 16263182), (26, 9382605), (30, 8131591), (39, 6255070), (65, 3753042), (78, 3127535), (130, 1876521), (195, 1251014), (390, 625507)]