890806696

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{157}}^1\times {\mathrm{613}}^1$

素因数の和:878

約数の個数: 64

約数和(自身を含む): 1833526800

約数和(自身を除く): 942720104

約数列:

[1, 2, 4, 8, 13, 26, 52, 89, 104, 157, 178, 314, 356, 613, 628, 712, 1157, 1226, 1256, 2041, 2314, 2452, 4082, 4628, 4904, 7969, 8164, 9256, 13973, 15938, 16328, 27946, 31876, 54557, 55892, 63752, 96241, 109114, 111784, 181649, 192482, 218228, 363298, 384964, 436456, 709241, 726596, 769928, 1251133, 1418482, 1453192, 2502266, 2836964, 5004532, 5673928, 8565449, 10009064, 17130898, 34261796, 68523592, 111350837, 222701674, 445403348, 890806696]

約数ペア:

[(1, 890806696), (2, 445403348), (4, 222701674), (8, 111350837), (13, 68523592), (26, 34261796), (52, 17130898), (89, 10009064), (104, 8565449), (157, 5673928), (178, 5004532), (314, 2836964), (356, 2502266), (613, 1453192), (628, 1418482), (712, 1251133), (1157, 769928), (1226, 726596), (1256, 709241), (2041, 436456), (2314, 384964), (2452, 363298), (4082, 218228), (4628, 192482), (4904, 181649), (7969, 111784), (8164, 109114), (9256, 96241), (13973, 63752), (15938, 55892), (16328, 54557), (27946, 31876)]