281239168

素因数分解:

$2^7\times 7^1\times {\mathrm{313883}}^1$

素因数の和:313904

約数の個数: 32

約数和(自身を含む): 640323360

約数和(自身を除く): 359084192

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 448, 896, 313883, 627766, 1255532, 2197181, 2511064, 4394362, 5022128, 8788724, 10044256, 17577448, 20088512, 35154896, 40177024, 70309792, 140619584, 281239168]

約数ペア:

[(1, 281239168), (2, 140619584), (4, 70309792), (7, 40177024), (8, 35154896), (14, 20088512), (16, 17577448), (28, 10044256), (32, 8788724), (56, 5022128), (64, 4394362), (112, 2511064), (128, 2197181), (224, 1255532), (448, 627766), (896, 313883)]