628016272

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{367}}^1\times {\mathrm{433}}^1$

素因数の和:840

約数の個数: 80

約数和(自身を含む): 1386300160

約数和(自身を除く): 758283888

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 52, 76, 104, 152, 208, 247, 304, 367, 433, 494, 734, 866, 988, 1468, 1732, 1976, 2936, 3464, 3952, 4771, 5629, 5872, 6928, 6973, 8227, 9542, 11258, 13946, 16454, 19084, 22516, 27892, 32908, 38168, 45032, 55784, 65816, 76336, 90064, 90649, 106951, 111568, 131632, 158911, 181298, 213902, 317822, 362596, 427804, 635644, 725192, 855608, 1271288, 1450384, 1711216, 2065843, 2542576, 3019309, 4131686, 6038618, 8263372, 12077236, 16526744, 24154472, 33053488, 39251017, 48308944, 78502034, 157004068, 314008136, 628016272]

約数ペア:

[(1, 628016272), (2, 314008136), (4, 157004068), (8, 78502034), (13, 48308944), (16, 39251017), (19, 33053488), (26, 24154472), (38, 16526744), (52, 12077236), (76, 8263372), (104, 6038618), (152, 4131686), (208, 3019309), (247, 2542576), (304, 2065843), (367, 1711216), (433, 1450384), (494, 1271288), (734, 855608), (866, 725192), (988, 635644), (1468, 427804), (1732, 362596), (1976, 317822), (2936, 213902), (3464, 181298), (3952, 158911), (4771, 131632), (5629, 111568), (5872, 106951), (6928, 90649), (6973, 90064), (8227, 76336), (9542, 65816), (11258, 55784), (13946, 45032), (16454, 38168), (19084, 32908), (22516, 27892)]