988565968

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{37423}}^1$

素因数の和:37571

約数の個数: 40

約数和(自身を含む): 2078978048

約数和(自身を除く): 1090412080

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 127, 208, 254, 508, 1016, 1651, 2032, 3302, 6604, 13208, 26416, 37423, 74846, 149692, 299384, 486499, 598768, 972998, 1945996, 3891992, 4752721, 7783984, 9505442, 19010884, 38021768, 61785373, 76043536, 123570746, 247141492, 494282984, 988565968]

約数ペア:

[(1, 988565968), (2, 494282984), (4, 247141492), (8, 123570746), (13, 76043536), (16, 61785373), (26, 38021768), (52, 19010884), (104, 9505442), (127, 7783984), (208, 4752721), (254, 3891992), (508, 1945996), (1016, 972998), (1651, 598768), (2032, 486499), (3302, 299384), (6604, 149692), (13208, 74846), (26416, 37423)]