1728213968

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{65423}}^1$

素因数の和:65571

約数の個数: 40

約数和(自身を含む): 3634434048

約数和(自身を除く): 1906220080

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 127, 208, 254, 508, 1016, 1651, 2032, 3302, 6604, 13208, 26416, 65423, 130846, 261692, 523384, 850499, 1046768, 1700998, 3401996, 6803992, 8308721, 13607984, 16617442, 33234884, 66469768, 108013373, 132939536, 216026746, 432053492, 864106984, 1728213968]

約数ペア:

[(1, 1728213968), (2, 864106984), (4, 432053492), (8, 216026746), (13, 132939536), (16, 108013373), (26, 66469768), (52, 33234884), (104, 16617442), (127, 13607984), (208, 8308721), (254, 6803992), (508, 3401996), (1016, 1700998), (1651, 1046768), (2032, 850499), (3302, 523384), (6604, 261692), (13208, 130846), (26416, 65423)]