990392169316

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{241}}^1\times {\mathrm{3251}}^1\times {\mathrm{28729}}^1$

素因数の和:32236

約数の個数: 48

約数和(自身を含む): 1899244226880

約数和(自身を除く): 908852057564

約数列:

[1, 2, 4, 11, 22, 44, 241, 482, 964, 2651, 3251, 5302, 6502, 10604, 13004, 28729, 35761, 57458, 71522, 114916, 143044, 316019, 632038, 783491, 1264076, 1566982, 3133964, 6923689, 8618401, 13847378, 17236802, 27694756, 34473604, 76160579, 93397979, 152321158, 186795958, 304642316, 373591916, 1027377769, 2054755538, 4109511076, 22508912939, 45017825878, 90035651756, 247598042329, 495196084658, 990392169316]

約数ペア:

[(1, 990392169316), (2, 495196084658), (4, 247598042329), (11, 90035651756), (22, 45017825878), (44, 22508912939), (241, 4109511076), (482, 2054755538), (964, 1027377769), (2651, 373591916), (3251, 304642316), (5302, 186795958), (6502, 152321158), (10604, 93397979), (13004, 76160579), (28729, 34473604), (35761, 27694756), (57458, 17236802), (71522, 13847378), (114916, 8618401), (143044, 6923689), (316019, 3133964), (632038, 1566982), (783491, 1264076)]