77911850

素因数分解:

$2^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{1291}}^1$

素因数の和:1391

約数の個数: 48

約数和(自身を含む): 155722176

約数和(自身を除く): 77810326

約数列:

[1, 2, 5, 10, 17, 25, 34, 50, 71, 85, 142, 170, 355, 425, 710, 850, 1207, 1291, 1775, 2414, 2582, 3550, 6035, 6455, 12070, 12910, 21947, 30175, 32275, 43894, 60350, 64550, 91661, 109735, 183322, 219470, 458305, 548675, 916610, 1097350, 1558237, 2291525, 3116474, 4583050, 7791185, 15582370, 38955925, 77911850]

約数ペア:

[(1, 77911850), (2, 38955925), (5, 15582370), (10, 7791185), (17, 4583050), (25, 3116474), (34, 2291525), (50, 1558237), (71, 1097350), (85, 916610), (142, 548675), (170, 458305), (355, 219470), (425, 183322), (710, 109735), (850, 91661), (1207, 64550), (1291, 60350), (1775, 43894), (2414, 32275), (2582, 30175), (3550, 21947), (6035, 12910), (6455, 12070)]