1285616

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{4229}}^1$

素因数の和:4256

約数の個数: 20

約数和(自身を含む): 2622600

約数和(自身を除く): 1336984

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 4229, 8458, 16916, 33832, 67664, 80351, 160702, 321404, 642808, 1285616]

約数ペア:

[(1, 1285616), (2, 642808), (4, 321404), (8, 160702), (16, 80351), (19, 67664), (38, 33832), (76, 16916), (152, 8458), (304, 4229)]