123540172

素因数分解:

$2^2\times 7^2\times {\mathrm{630307}}^1$

素因数の和:630325

約数の個数: 18

約数和(自身を含む): 251492892

約数和(自身を除く): 127952720

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 630307, 1260614, 2521228, 4412149, 8824298, 17648596, 30885043, 61770086, 123540172]

約数ペア:

[(1, 123540172), (2, 61770086), (4, 30885043), (7, 17648596), (14, 8824298), (28, 4412149), (49, 2521228), (98, 1260614), (196, 630307)]