128440496

素因数分解:

$2^4\times {\mathrm{181}}^1\times {\mathrm{44351}}^1$

素因数の和:44540

約数の個数: 20

約数和(自身を含む): 250233984

約数和(自身を除く): 121793488

約数列:

[1, 2, 4, 8, 16, 181, 362, 724, 1448, 2896, 44351, 88702, 177404, 354808, 709616, 8027531, 16055062, 32110124, 64220248, 128440496]

約数ペア:

[(1, 128440496), (2, 64220248), (4, 32110124), (8, 16055062), (16, 8027531), (181, 709616), (362, 354808), (724, 177404), (1448, 88702), (2896, 44351)]