1281286132

素因数分解:

$2^2\times 7^1\times {\mathrm{337}}^1\times {\mathrm{135787}}^1$

素因数の和:136135

約数の個数: 24

約数和(自身を含む): 2570195264

約数和(自身を除く): 1288909132

約数列:

[1, 2, 4, 7, 14, 28, 337, 674, 1348, 2359, 4718, 9436, 135787, 271574, 543148, 950509, 1901018, 3802036, 45760219, 91520438, 183040876, 320321533, 640643066, 1281286132]

約数ペア:

[(1, 1281286132), (2, 640643066), (4, 320321533), (7, 183040876), (14, 91520438), (28, 45760219), (337, 3802036), (674, 1901018), (1348, 950509), (2359, 543148), (4718, 271574), (9436, 135787)]