1891859255

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1\times {\mathrm{449}}^1$

素因数の和:632

約数の個数: 64

約数和(自身を含む): 2743372800

約数和(自身を除く): 851513545

約数列:

[1, 5, 11, 13, 55, 65, 71, 83, 143, 355, 415, 449, 715, 781, 913, 923, 1079, 2245, 3905, 4565, 4615, 4939, 5395, 5837, 5893, 10153, 11869, 24695, 29185, 29465, 31879, 37267, 50765, 59345, 64207, 64823, 76609, 159395, 186335, 321035, 324115, 350669, 383045, 409937, 414427, 484471, 842699, 1753345, 2049685, 2072135, 2422355, 2645957, 4213495, 4558697, 5329181, 13229785, 22793485, 26645905, 29105527, 34397441, 145527635, 171987205, 378371851, 1891859255]

約数ペア:

[(1, 1891859255), (5, 378371851), (11, 171987205), (13, 145527635), (55, 34397441), (65, 29105527), (71, 26645905), (83, 22793485), (143, 13229785), (355, 5329181), (415, 4558697), (449, 4213495), (715, 2645957), (781, 2422355), (913, 2072135), (923, 2049685), (1079, 1753345), (2245, 842699), (3905, 484471), (4565, 414427), (4615, 409937), (4939, 383045), (5395, 350669), (5837, 324115), (5893, 321035), (10153, 186335), (11869, 159395), (24695, 76609), (29185, 64823), (29465, 64207), (31879, 59345), (37267, 50765)]