130221488

素因数分解:

$2^4\times {\mathrm{73}}^1\times {\mathrm{111491}}^1$

素因数の和:111572

約数の個数: 20

約数和(自身を含む): 255762648

約数和(自身を除く): 125541160

約数列:

[1, 2, 4, 8, 16, 73, 146, 292, 584, 1168, 111491, 222982, 445964, 891928, 1783856, 8138843, 16277686, 32555372, 65110744, 130221488]

約数ペア:

[(1, 130221488), (2, 65110744), (4, 32555372), (8, 16277686), (16, 8138843), (73, 1783856), (146, 891928), (292, 445964), (584, 222982), (1168, 111491)]