128872

素因数分解:

$2^3\times {\mathrm{89}}^1\times {\mathrm{181}}^1$

素因数の和:276

約数の個数: 16

約数和(自身を含む): 245700

約数和(自身を除く): 116828

約数列:

[1, 2, 4, 8, 89, 178, 181, 356, 362, 712, 724, 1448, 16109, 32218, 64436, 128872]

約数ペア:

[(1, 128872), (2, 64436), (4, 32218), (8, 16109), (89, 1448), (178, 724), (181, 712), (356, 362)]