289763984

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{953171}}^1$

素因数の和:953198

約数の個数: 20

約数和(自身を含む): 590966640

約数和(自身を除く): 301202656

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 953171, 1906342, 3812684, 7625368, 15250736, 18110249, 36220498, 72440996, 144881992, 289763984]

約数ペア:

[(1, 289763984), (2, 144881992), (4, 72440996), (8, 36220498), (16, 18110249), (19, 15250736), (38, 7625368), (76, 3812684), (152, 1906342), (304, 953171)]