278634672

素因数分解:

$2^4\times 3^2\times {\mathrm{71}}^1\times {\mathrm{27253}}^1$

素因数の和:27338

約数の個数: 60

約数和(自身を含む): 790802064

約数和(自身を除く): 512167392

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 71, 72, 142, 144, 213, 284, 426, 568, 639, 852, 1136, 1278, 1704, 2556, 3408, 5112, 10224, 27253, 54506, 81759, 109012, 163518, 218024, 245277, 327036, 436048, 490554, 654072, 981108, 1308144, 1934963, 1962216, 3869926, 3924432, 5804889, 7739852, 11609778, 15479704, 17414667, 23219556, 30959408, 34829334, 46439112, 69658668, 92878224, 139317336, 278634672]

約数ペア:

[(1, 278634672), (2, 139317336), (3, 92878224), (4, 69658668), (6, 46439112), (8, 34829334), (9, 30959408), (12, 23219556), (16, 17414667), (18, 15479704), (24, 11609778), (36, 7739852), (48, 5804889), (71, 3924432), (72, 3869926), (142, 1962216), (144, 1934963), (213, 1308144), (284, 981108), (426, 654072), (568, 490554), (639, 436048), (852, 327036), (1136, 245277), (1278, 218024), (1704, 163518), (2556, 109012), (3408, 81759), (5112, 54506), (10224, 27253)]