981616

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{3229}}^1$

素因数の和:3256

約数の個数: 20

約数和(自身を含む): 2002600

約数和(自身を除く): 1020984

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 3229, 6458, 12916, 25832, 51664, 61351, 122702, 245404, 490808, 981616]

約数ペア:

[(1, 981616), (2, 490808), (4, 245404), (8, 122702), (16, 61351), (19, 51664), (38, 25832), (76, 12916), (152, 6458), (304, 3229)]