28180226608

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{32117}}^1$

素因数の和:32246

約数の個数: 80

約数和(自身を含む): 59261564160

約数和(自身を除く): 31081337552

約数列:

[1, 2, 4, 8, 16, 29, 31, 58, 61, 62, 116, 122, 124, 232, 244, 248, 464, 488, 496, 899, 976, 1769, 1798, 1891, 3538, 3596, 3782, 7076, 7192, 7564, 14152, 14384, 15128, 28304, 30256, 32117, 54839, 64234, 109678, 128468, 219356, 256936, 438712, 513872, 877424, 931393, 995627, 1862786, 1959137, 1991254, 3725572, 3918274, 3982508, 7451144, 7836548, 7965016, 14902288, 15673096, 15930032, 28873183, 31346192, 56814973, 57746366, 60733247, 113629946, 115492732, 121466494, 227259892, 230985464, 242932988, 454519784, 461970928, 485865976, 909039568, 971731952, 1761264163, 3522528326, 7045056652, 14090113304, 28180226608]

約数ペア:

[(1, 28180226608), (2, 14090113304), (4, 7045056652), (8, 3522528326), (16, 1761264163), (29, 971731952), (31, 909039568), (58, 485865976), (61, 461970928), (62, 454519784), (116, 242932988), (122, 230985464), (124, 227259892), (232, 121466494), (244, 115492732), (248, 113629946), (464, 60733247), (488, 57746366), (496, 56814973), (899, 31346192), (976, 28873183), (1769, 15930032), (1798, 15673096), (1891, 14902288), (3538, 7965016), (3596, 7836548), (3782, 7451144), (7076, 3982508), (7192, 3918274), (7564, 3725572), (14152, 1991254), (14384, 1959137), (15128, 1862786), (28304, 995627), (30256, 931393), (32117, 877424), (54839, 513872), (64234, 438712), (109678, 256936), (128468, 219356)]