291220001285

素因数分解:

$5^1\times {\mathrm{107}}^1\times {\mathrm{331}}^1\times {\mathrm{761}}^1\times {\mathrm{2161}}^1$

素因数の和:3365

約数の個数: 32

約数和(自身を含む): 354424512384

約数和(自身を除く): 63204511099

約数列:

[1, 5, 107, 331, 535, 761, 1655, 2161, 3805, 10805, 35417, 81427, 177085, 231227, 251891, 407135, 715291, 1156135, 1259455, 1644521, 3576455, 8222605, 26952337, 76536137, 134761685, 175963747, 382680685, 544336451, 879818735, 2721682255, 58244000257, 291220001285]

約数ペア:

[(1, 291220001285), (5, 58244000257), (107, 2721682255), (331, 879818735), (535, 544336451), (761, 382680685), (1655, 175963747), (2161, 134761685), (3805, 76536137), (10805, 26952337), (35417, 8222605), (81427, 3576455), (177085, 1644521), (231227, 1259455), (251891, 1156135), (407135, 715291)]