128464744

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{79}}^2\times {\mathrm{83}}^1$

素因数の和:278

約数の個数: 48

約数和(自身を含む): 254862720

約数和(自身を除く): 126397976

約数列:

[1, 2, 4, 8, 31, 62, 79, 83, 124, 158, 166, 248, 316, 332, 632, 664, 2449, 2573, 4898, 5146, 6241, 6557, 9796, 10292, 12482, 13114, 19592, 20584, 24964, 26228, 49928, 52456, 193471, 203267, 386942, 406534, 518003, 773884, 813068, 1036006, 1547768, 1626136, 2072012, 4144024, 16058093, 32116186, 64232372, 128464744]

約数ペア:

[(1, 128464744), (2, 64232372), (4, 32116186), (8, 16058093), (31, 4144024), (62, 2072012), (79, 1626136), (83, 1547768), (124, 1036006), (158, 813068), (166, 773884), (248, 518003), (316, 406534), (332, 386942), (632, 203267), (664, 193471), (2449, 52456), (2573, 49928), (4898, 26228), (5146, 24964), (6241, 20584), (6557, 19592), (9796, 13114), (10292, 12482)]