645087708

素因数分解:

$2^2\times 3^2\times {\mathrm{17919103}}^1$

素因数の和:17919113

約数の個数: 18

約数和(自身を含む): 1630638464

約数和(自身を除く): 985550756

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 17919103, 35838206, 53757309, 71676412, 107514618, 161271927, 215029236, 322543854, 645087708]

約数ペア:

[(1, 645087708), (2, 322543854), (3, 215029236), (4, 161271927), (6, 107514618), (9, 71676412), (12, 53757309), (18, 35838206), (36, 17919103)]