2783173808

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{4751}}^1$

素因数の和:4866

約数の個数: 80

約数和(自身を含む): 5939619840

約数和(自身を除く): 3156446032

約数列:

[1, 2, 4, 8, 16, 19, 38, 41, 47, 76, 82, 94, 152, 164, 188, 304, 328, 376, 656, 752, 779, 893, 1558, 1786, 1927, 3116, 3572, 3854, 4751, 6232, 7144, 7708, 9502, 12464, 14288, 15416, 19004, 30832, 36613, 38008, 73226, 76016, 90269, 146452, 180538, 194791, 223297, 292904, 361076, 389582, 446594, 585808, 722152, 779164, 893188, 1444304, 1558328, 1786376, 3116656, 3572752, 3701029, 4242643, 7402058, 8485286, 9155177, 14804116, 16970572, 18310354, 29608232, 33941144, 36620708, 59216464, 67882288, 73241416, 146482832, 173948363, 347896726, 695793452, 1391586904, 2783173808]

約数ペア:

[(1, 2783173808), (2, 1391586904), (4, 695793452), (8, 347896726), (16, 173948363), (19, 146482832), (38, 73241416), (41, 67882288), (47, 59216464), (76, 36620708), (82, 33941144), (94, 29608232), (152, 18310354), (164, 16970572), (188, 14804116), (304, 9155177), (328, 8485286), (376, 7402058), (656, 4242643), (752, 3701029), (779, 3572752), (893, 3116656), (1558, 1786376), (1786, 1558328), (1927, 1444304), (3116, 893188), (3572, 779164), (3854, 722152), (4751, 585808), (6232, 446594), (7144, 389582), (7708, 361076), (9502, 292904), (12464, 223297), (14288, 194791), (15416, 180538), (19004, 146452), (30832, 90269), (36613, 76016), (38008, 73226)]