12748970

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{281}}^1\times {\mathrm{349}}^1$

素因数の和:650

約数の個数: 32

約数和(自身を含む): 24872400

約数和(自身を除く): 12123430

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 281, 349, 562, 698, 1405, 1745, 2810, 3490, 3653, 4537, 7306, 9074, 18265, 22685, 36530, 45370, 98069, 196138, 490345, 980690, 1274897, 2549794, 6374485, 12748970]

約数ペア:

[(1, 12748970), (2, 6374485), (5, 2549794), (10, 1274897), (13, 980690), (26, 490345), (65, 196138), (130, 98069), (281, 45370), (349, 36530), (562, 22685), (698, 18265), (1405, 9074), (1745, 7306), (2810, 4537), (3490, 3653)]