25581726

素因数分解:

$2^1\times 3^2\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{541}}^1$

素因数の和:657

約数の個数: 48

約数和(自身を含む): 57833568

約数和(自身を除く): 32251842

約数列:

[1, 2, 3, 6, 9, 18, 37, 71, 74, 111, 142, 213, 222, 333, 426, 541, 639, 666, 1082, 1278, 1623, 2627, 3246, 4869, 5254, 7881, 9738, 15762, 20017, 23643, 38411, 40034, 47286, 60051, 76822, 115233, 120102, 180153, 230466, 345699, 360306, 691398, 1421207, 2842414, 4263621, 8527242, 12790863, 25581726]

約数ペア:

[(1, 25581726), (2, 12790863), (3, 8527242), (6, 4263621), (9, 2842414), (18, 1421207), (37, 691398), (71, 360306), (74, 345699), (111, 230466), (142, 180153), (213, 120102), (222, 115233), (333, 76822), (426, 60051), (541, 47286), (639, 40034), (666, 38411), (1082, 23643), (1278, 20017), (1623, 15762), (2627, 9738), (3246, 7881), (4869, 5254)]